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Tytuł:
Warunki meteorologiczne na Równinie Kaffiöyra (NW Spitsbergen) w okresie od 13 lipca do 9 września 1999 roku
Meteorological conditions at Kaffiöyra (Nw Spitsbergen) in the period 13.07 - 9.09.1999
Autorzy:
Araźny, A.
Powiązania:
https://bibliotekanauki.pl/articles/260679.pdf
Data publikacji:
2000
Wydawca:
Stowarzyszenie Klimatologów Polskich
Tematy:
badania meteorologiczne
Równinia Kaffiöyra
Spitsbergen
warunki meteorologiczne
Opis:
The article presents results of meteorological observations carried out in the summer of 1997 on the Kaffiöyra Plain during 13rd Toruń Polar Expedition. The measurements were carried out four climatological time a day (01, 07, 13 and 19 LMT) from 21st July to 1st September 1997 i.e. 43 days. The values of meteorological elements are presented in tab. 2 and fig. 2. Apart from the 1997 summer data, there have also been presented for comparison mean values of basic meteorological elements from comparable period s (July 21 - August 31 ) of all the summer seasons when the Toruń Polar Expeditions operated on Spitsbergen (tab. 4). The summer season in 1997 was very wet, with domination of strong winds and average sunshine, thermic and humidity conditions. During the research period cyclonic situations dominated (52.4%), on 47.6%, of the days the weather conditions were formed by anticyclones.
Źródło:
Problemy Klimatologii Polarnej; 2000, 10; 73-92
1234-0715
Pojawia się w:
Problemy Klimatologii Polarnej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ warunków meteorologicznych na kształtowanie się odpływu powierzchniowego na Lodowcu Waldemara (NW Spitsbergen) latem 1997 roku
Influence of meteorological conditions to the surface run-off on the Waldemar Glacier (NW Spitsbergen) in the summer of 1997
Autorzy:
Brykała, D.
Araźny, A.
Powiązania:
https://bibliotekanauki.pl/articles/260802.pdf
Data publikacji:
2000
Wydawca:
Stowarzyszenie Klimatologów Polskich
Tematy:
Spitsbergen
warunki meteorologiczne
Lodowiec Waldemara
pomiary meteorologiczne
ablacja
Opis:
In the summer season 1997 during the 13rd Toruń Polar Expedition research works were carried out to investigate the dynamics of water run-off in a selected supraglacial stream on the Waldemar Glacier in comparison to the course of meteorological conditions and ablation (figs l and 3). We have tried to present also the temporal and spatial changes in the structure of surface run-off on the glacier. Over the Kaffiöyra region in the whole summer season, especially in August, cyclonic weather dominated. Its characteristic features were: small sunshine duration (16.6 percent of the possible value), high cloudiness (8.5 on the scale l-10), high frequency of strong winds (mean velocity 5.4 m/s), and very abundant and intensive atmospheric precipitation (sum 122.5 mm) (fig. 2). The ablation is considerably differentiated spatially and temporary. In the studied period its highest value was observed below 250 m above sea level, and the lowest one on 430 m above sea level (19 cm e.w.). On 150 m above sea level, at the hydrometric stand, the ablation was 119 cm e.w. The gradient of ablation varied from 0.3 cm to 3.6 cm e.w. per 100 m height in the selected periods (Sobota 1998). The three big streams marked on fig. 3 (A. B and e) have the greatest role in the formation of the surface drainage system of the Waldemar Glacier. Daily measurements of the discharge intensity were made on the 508.6 m long supraglacial stream. The stationary measurement point was on 147m above sea level, about 160 m above the place where the stream leaves the snout of the glacier. The spatial differentiation induced the authors to distinguish five glacio-hydrological zones on the Waldemar Glacier: intensive ablation. Organized run-off, snow patches, slush, and dry snow (fig, 4, tab. l). The main criteria to distinguish the individual zones were the followings: morphology of the glacial surface, pollution degree of the snow by moraine material, and types of the surface run-off. Table 2 presents the correlation coefficients between the meteorological parameters and ablation and the discharge in the analysed stream. In most of the cases the correlation between the individual parameters is high (r > 0.77). The highest values of the correlation coefficient occur between the discharge and the course of temperature and ablation.
Źródło:
Problemy Klimatologii Polarnej; 2000, 10; 139-158
1234-0715
Pojawia się w:
Problemy Klimatologii Polarnej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zmienność warunków meteorologicznych w Hornsundzie (SW Spitsbergen) w okresie 1 VII 1999 - 30 VI 2000 roku
Variability of meteorological conditions at Hornsund (SW Spitsbergen) in the period from 1st July 1999 to 30th June 2000
Autorzy:
Araźny, A.
Powiązania:
https://bibliotekanauki.pl/articles/260790.pdf
Data publikacji:
2000
Wydawca:
Stowarzyszenie Klimatologów Polskich
Tematy:
badania meteorologiczne
Spitsbergen
Hornsund
Opis:
Measurements and meteorological observations at Hornsund were carried out in the frame of the 22nd Polish Polar Expedition "Spitsbergen 1999/2000" research work. This was the consecutive year-long expedition organized by the Geophysical Institute of the Polish Academy of Sciences. Circulation factors have a great influence on the meteorological conditions at Hornsund. The mean annual atmospheric pressure at the sea level (1005.0 hPa) was lower than its long-term average. The mean wind velocity was 5.8 m/s. There were 971.9 hours with sunshine. The analysed year was characterised by high air temperature as for the Arctic conditions. The mean annual air temperature was -3.7°C, and was 1.1OChigher then its long-term average. The analysis of the air temperature trend in the period 1978-2000 shows a systematic warming about 0.07°C/year on the southern Spitsbergen. The annual sum of precipitation was 500.9 mm, i.e. about 77 mm higher then the long-term average. In September the highest monthly precipitation sum (230.0 mm) was measured till now.
Źródło:
Problemy Klimatologii Polarnej; 2000, 10; 55-72
1234-0715
Pojawia się w:
Problemy Klimatologii Polarnej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zróżnicowanie termiki gruntu na Równinie Kaffiöyra (NW Spitsbergen) w lecie 1997 i 1998 w porównaniu z okresem 1975-98
Differentiation of soil temperature on the Kaffiöyra Plain (NW Spitsbergen) in summer 1997 and 1998 in comparison to the period 1975-98
Autorzy:
Araźny, A.
Powiązania:
https://bibliotekanauki.pl/articles/260959.pdf
Data publikacji:
2001
Wydawca:
Stowarzyszenie Klimatologów Polskich
Tematy:
termika gruntu
temperatura gruntu
Spitsbergen
soil temperature
Opis:
The paper presents the results of soil temperature measurements on the Kaffiöyra Plain from the polar summer period 1997 (Tab. 1) and 1998 (Tab. 2) compared to the period 1975-1998 (Tab. 3). The soil temperature measurements were carried out on three ecotops: on the sandy beach, on end moraine of the Aavatsmark Glacier, and on tundra (Fig. 1). The measurements were taken daily at 01, 07, 13 and 19 LMT at depths: 1, 5, 10, 20 and 50 cm by soil thermometers. The thermal characteristics of soils at different ecotops differ by physical characteristics, moisture, degree of vegetation cover and thickness of active layer. The paper presents the question of thermal changes in the soil with general weather conditions. The 1997 summer was very wet, strong winds domination and mean sunshine. The 1998 summer, on the contrary, was more cloudy and warmer, and the atmosphere dynamics lower with rare light rainfall (Fig. 2, Tab. 4). The comparison of summer seasons was made for the common period 21 July - 31 August. The thermal changes of the soil on the Kaffioyra Plain are best illustrated by the data from the beach because observations at this stand were made during all of the expeditions. The mean temperature at all depth was the lowest in 1982 and 1997, the highest in 1985 and 1998 (Fig. 5). In the analysed period the measurement point on the beach was the coldest stand, tundra was warmer, and the stand on the moraine the warmest (Tab. 3, Fig. 4).
Źródło:
Problemy Klimatologii Polarnej; 2001, 11; 81-92
1234-0715
Pojawia się w:
Problemy Klimatologii Polarnej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przebieg roczny wilgotności względnej w Arktyce Norweskiej w okresie 1971-2000
Annual course of relative air humidity in the Norwegian Arctic from 1971 to 2000
Autorzy:
Araźny, A.
Powiązania:
https://bibliotekanauki.pl/articles/260941.pdf
Data publikacji:
2003
Wydawca:
Stowarzyszenie Klimatologów Polskich
Tematy:
wilgotność powietrza
Arktyka Norweska
air humidity
Norwegian Arctic
Opis:
The paper presents the analysis of the spatial variability of relative humidity in the Norwegian Arctic during the year (Fig.1, Table 2) for 6 meteorological stations (Table 1). We determined the frequency of relative humidity according intervals (Fig. 2) and examined its connection with atmospheric circulation indices (Table 3, Fig. 3). In the Norwegian Arctic 3 types of courses of the relative humidity have been distinguished on the basis of mean monthly values, amplitudes and occurrence frequency in distinguished intervals: 1) very wet - characterised by monthly and annual mean values of the relative humidity higher than 80%, small annual amplitudes up to 10%. This type includes the stations Bjornoya, Hopen i Jan Mayen. During the year at these stations very wet air dominates (236, 218 and 175 days, respectively). 2) wet - characterised by large annual amplitudes over 10%. Mean monthly values exceeding 80% occur only in summer and early autumn. This type occurs at the stations Hornsund and Ny-Alesund. At these stations wet air is the most frequent: 181 and 141 days during the year, respectively. 3) moderately wet - characterised by even level in every month below 80%, very small annual amplitude up to 5%. This type occurs at Svalbard Lufthavn where wet (171 days) and moderately dry (135 days) air is the most frequent.
Źródło:
Problemy Klimatologii Polarnej; 2003, 13; 107-115
1234-0715
Pojawia się w:
Problemy Klimatologii Polarnej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Niedosyt fizjologiczny w Arktyce Norweskiej wokresie 1971-2000
Physiological deficit in the Norwegian Arctic in the period 1971-2000
Autorzy:
Araźny, A.
Powiązania:
https://bibliotekanauki.pl/articles/260856.pdf
Data publikacji:
2005
Wydawca:
Stowarzyszenie Klimatologów Polskich
Tematy:
Arktyka Norweska
bioklimat
niedosyt fizjologiczny
cyrkulacja atmosferyczna
Norwegian Arctic
bioclimate
physiological deficit
atmospheric circulation
Opis:
W artykule przedstawiono rozkład przestrzenny zmian niedosytu fizjologicznego w Arktyce Norweskiej w okresie 1971-2000. W badaniach zmienności niedosytu fizjologicznego wykorzystano dane ze stacji: Ny-Alesund, Svalbard Airport, Hornsund, Hopen, Bjornoya i Jan Mayen. Wpływ cyrkulacji atmosferycznej na przebieg niedosytu fizjologicznego przeanalizowano wykorzystując katalog typów oraz wskaźniki cyrkulacji Niedźwiedzia (2001, 2002) dla Spitsbergenu.
The paper presents the results of the study of the physiological deficit (D) in the Norwegian Arctic in the period 1971-2000. The values of physiological deficit are indices of evaporation from the lungs and upper respiratory tract of man. The analysis of the physiological deficit in the Norwegian Arctic showed a high value of evaporation from the lungs an upper respiratory tract of man over the whole study area (Tab. 1, Fig. 1-3). During the year the occurrence of 'dry' feeling was noted from 89% of the days at Bjornoya to 98% of the days at Hopen. 'Comfortable' feeling occurred only in summer and sporadically in autumn (Tab. 2). The negative trends of the mean annual and seasonal physiological deficit values are mostly statistically significant (Tab. 3). This means that during the period studied the water evaporation from the upper respiratory track of man decreased significantly in this part of the Arctic (Fig. 4). The highest value of water evaporation from the upper respiratory track was found in the winter season with air advection from the north-eastern sector, independently from the baric system type. The most favourable sense of humidity according to the analysed coefficient physiological deficit was noted in summer with air advection from the southern sector, in case of cyclonic as well as anticyclonic situation (Fig. 5).
Źródło:
Problemy Klimatologii Polarnej; 2005, 15; 133-141
1234-0715
Pojawia się w:
Problemy Klimatologii Polarnej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Porównanie warunków klimatycznych i bioklimatycznych północnej części Ziemi Oscara II z innymi obszarami zachodniego wybrzeża Spitsbergenu w okresie 1875-2000
Comparison of climatic and bioklimatic conditions in the northern part of Oscar II Land with other areas of the west coast of Spitsbergen from 1975-2000
Autorzy:
Przybylak, R.
Araźny, A.
Powiązania:
https://bibliotekanauki.pl/articles/260858.pdf
Data publikacji:
2005
Wydawca:
Stowarzyszenie Klimatologów Polskich
Tematy:
Spitsbergen
klimat
bioklimat
odczucia cieplne
climate
bioclimate
thermal state
Opis:
W artykule porównano warunki klimatyczne i bioklimatyczne N części Ziemi Oskara II z innymi obszarami zachodniego wybrzeża Spitsbergenu w okresie 1975-2000. Klimat Ziemi Oskara II przedstawiono na podstawie danych meteorologicznych ze stacji Ny Alesund. Klimat centralnej i południowej części zachodniego wybrzeża Spitsbergenu reprezentują odpowiednio stacje: Svalbard-Lufthavn i Hornsund. Dla wymienionych obszarów obliczono i przeanalizowano różnice pomiędzy średnimi miesięcznymi i rocznymi wartościami wybranych elementów meteorologicznych (wiatr, zachmurzenie, temperatura i wilgotność powietrza oraz opady atmosferyczne) i wskaźników biometeorologicznych (niedosyt fizjologiczny, wielkość ochładzająca powietrza, wskaźnik ochładzania wiatrem, temperatura ochładzania wiatrem, przewidywana izolacyjność odzieży).
The paper describes the climate and bioclimate of the tundra zone in the northern part of Oscar II Land (the area from Jonsfiorden to Kongsfiorden) from 1975 to 2000. A comparison with the climate and bioclimate of other parts of the west coast of Spitsbergen is also presented. For the analysis, meteorological data from three stations (Ny Alesund, Svalbard Lufthavn and Hornsund) were used (Fig. 1). Significant differentiation of climatic conditions on the west coast of Spitsbergen was found (Table 1 and Fig. 2). Wind direction and speed was strongly modified by the local topographic conditions. For this reason, the lowest mean annual wind speed (by 1.2 to 1.7 m/s) of the three analysed stations, was in Ny Alesund. The degree of cloudiness was similar at Ny Alesund and Svalbard Lufthavn, while at Hornsund it was greater by about 6%. Mean annual air temperature at Ny Alesund is slightly higher (by 0.1°C) than at Svalbard Lufthavn and significantly lower (by 1.1°C) than at Hornsund. In the annual course, in comparison with the central part of the west coast, the northern part of Oscar II Land is markedly warmer in winter (on average by 1.0°C) and significantly colder in summer (by 1.0°C). An opposite relationship may be noted when comparison is made with the southern part of Spitsbergen. The greatest values of relative humidity occur in the southern and northern parts of Spitsbergen, while in the central part of the western coast their values are smaller (in particular in summer). Atmospheric precipitation was twice as low in the central part of the western coast of Spitsbergen as it was in its northern and southern parts. Differences in bioclimatic conditions were found on the west coast of Spitsbergen (Table 2, Fig. 3). To establish their characteristics, a number of biometeorological and thermophysiological indices were used. These enabled the estimation of the sensations of heat in humans standing outdoors in this part of Spitsbergen. Analysis of the physiological deficit (D) values on the west coast of Spitsbergen indicate that water evaporation from the human upper respiratory tract during the whole year is high. The cooling power (H) shows significant differences between different parts of western Spitsbergen. The mean number of days per year with thermal comfort for humans oscillated between 11 at Svalbard Lufthavn and 18 at Hornsund to 42 at Ny Alesund. On the other hand, days with cold discomfort were most frequent in central (277) and southern (271) parts of Spitsbergen, while in the northern part they rarely occurred (only 217). The best thermal sensations (described as 'cool') according to the wind chill index (WCI) occur from June to September at all stations, and also in May at Ny Alesund. In the other months conditions described as 'cold' were noted over the entire area. Days with a possibility of frostbite were noted with an annual average frequency of about 10 at Ny Alesund and 25 at Svalbard Lufthavn and Hornsund. The wind chill temperature (WCT) throughout the west coast of Spitsbergen shows the dominance of moderate sensations of cold from November to April. During the summer months (July and August) sensations of 'cold' did not occur. The insulation predicted index (Iclp) was used to estimate the bioclimate of Spitsbergen from the point of view of an individual's need for clothes to obtain thermal comfort. The index was calculated for a standing man and a man who is walking at a speed of 4km/h. Its values for the standing individual oscillated from 4.35 clo at Hornsund to about 4.49 clo at Svalbard Lufthavn. On the other hand, for the walker, clothes would need half the thermal insulation level to obtain thermal comfort.
Źródło:
Problemy Klimatologii Polarnej; 2005, 15; 119-131
1234-0715
Pojawia się w:
Problemy Klimatologii Polarnej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Porównanie warunków meteorologicznych na zachodnim wybrzeżu Spitsbergenu w sezonie letnim 2005 r.
Diversification of meteorological conditions on the western coast of Spitsbergen during the summer season of 2005
Autorzy:
Przybylak, R.
Araźny, A.
Gluza, A.
Hojan, M.
Migała, K.
Sikora, S.
Siwek, K.
Zwoliński, Z.
Powiązania:
https://bibliotekanauki.pl/articles/260889.pdf
Data publikacji:
2006
Wydawca:
Stowarzyszenie Klimatologów Polskich
Tematy:
warunki meteorologiczne
sezon letni
Arktyka
Spitsbergen
meteorological conditions
summer season
Arctic
Opis:
W artykule przedstawiono porównanie warunków meteorologicznych w sezonie letnim 2005 r. na podstawie danych zebranych w trakcie trwania polskich wypraw polarnych do Hornsundu, Calypsobyen, doliny Ebby i Kaffiöyry. Dodatkowo, aby szczegółowiej poznać ich zróżnicowanie na zachodnim wybrzeżu Spitsbergenu skorzystano z dostępnych danych dla 2 norweskich stacji: Ny Alesund i Svalbard Lufthavn. Ze względu na różny czas pracy polskich ekspedycji polarnych do porównania warunków meteorologicznych wybrano wspólny okres 21.07-31.08. Stwierdzono, iż zróżnicowanie przestrzenne większości badanych elementów meteorologicznych na zachodnim wybrzeżu Spitsbergenu latem 2005 r. było znaczące. Na kształtowanie warunków meteorologicznych na badanym obszarze, a więc i na ich zróżnicowanie przestrzenne, w pełni sezonu letniego większy wpływ wywiera stopień kontynentalizmu klimatu niż szerokość geograficzna. Jednak wraz ze zbliżaniem się końca lata polarnego rola wspomnianych czynników się odwraca.
The paper presents the data concerning the spatial diversification of meteorological conditions occurring on the western coast of Spitsbergen during the summer season of 2005. For the analysis daily data have been used from four Polish stations (Kaffiöyra - KH, Ebby valley - EBB, Calypsobyen - CAL and Hornsund - HOR) and two Norwegian stations (Ny Ĺlesund - NYA, Svalbard Lufthavn - SVA), mainly for the common period of observation (from 21st July to 31st August) (Fig. 1). The Hornsund station was used as a reference station. Differences have been computer for all the analysed meteo-rological variables between stations for every 24-hour period, ten- / eleven-day period, and for the common period of observations as a whole (the meterological variables analysed include air pressure (AP), wind speed (v), cloudiness (C), sunshine duration (SS), maximum daily temperature (Tmax), mean daily temperature (Ti), minimum daily temperature (Tmin), relative humidity (f), and atmospheric precipitation (P)) (Table 1, Fig. 2, Fig. 5). All results proved that the spatial diversification of almost all analysed variables is significant. It is very evident that in the summer the degree of climate continentality has a greater influence on this diversification than the geographical latitude. Local topography plays also important role in the diversification of meteorological variables on the western coast of Spitsbergen. A good example of this influence is presented in Figure 4, showing different kinds of wind roses. It can be seen that winds from different directions dominate in each station. Mean daily courses of some selected meteorological variables (Fig. 3) also show that spatial diversification is varied throughout the day. For example, greater differences are noted during "night" hours for atmospheric pressure and wind speed, while an opposite relation exists for air temperature and relative humidity. Extreme values of analysed meteorological variables during the common period of observation (from 21st July to 31st August 2005) are shown in Table 2. The highest temperature (13.1°C) occurred in Svalbard Lufthavn located in the most continental part of Spitsbergen, while the lowest (0.5°C) was in the Hornsund region, where cyclones bringing thick clouds are very common. Day-to-day variabilities of the majority of the analysed meteorological variables on the west coast of Spitsbergen are quite large (Table 3).
Źródło:
Problemy Klimatologii Polarnej; 2006, 16; 125-138
1234-0715
Pojawia się w:
Problemy Klimatologii Polarnej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przebieg roczny salda promieniowania powierzchni czynnej w Hornsundzie (V 2008 - IV 2009)
Annual course of surface radiation balance in Hornsund, Svalbard (V 2008 - IV 2009)
Autorzy:
Budzik, T.
Sikora, S.
Araźny, A.
Powiązania:
https://bibliotekanauki.pl/articles/260677.pdf
Data publikacji:
2009
Wydawca:
Stowarzyszenie Klimatologów Polskich
Tematy:
Arctic
Svalbard
Hornsund
Ny-Ĺlesund
saldo promieniowania powierzchni czynnej
promieniowanie krótkofalowe
promieniowanie długofalowe
przebieg roczny
radiation balance
shortwave radiation
long-wave radiation
Opis:
Na podstawie danych pomiarowych zarejestrowanych w Hornsundzie w okresie od 1 maja 2008 do 30 kwietnia 2009 r. scharakteryzowano roczny przebieg struktury salda promieniowania powierzchni czynnej. Dodatkowo w pracy wykorzystano materiały pomiarowe z Ny-Alesund ze stacji “Alfred Wegener Institute for Polar and Marine Research” w celu porównania przebiegu elementów salda promieniowania z danymi z Horn-sundu. W analizowanym okresie roczna suma strumienia całkowitego promieniowania słonecznego wyniosła 2307 MJm-2, a roczna suma salda promieniowania powierzchni czynnej 105 MJm-2. Porównując dane z Horn-sundu i Ny-Alesundu, stwierdzono, na korzyść stacji w Ny-Alesund, wyższe roczne wartości całkowitego pro-mieniowania słonecznego (+184 MJm-2), a także wyższe roczne wartości salda promieniowania powierzchni czynnej (+69 MJm-2).
This case describes annual course of surface radiation balance based on data recorded in Hornsund from 1.05.2008 to 31.03.2009. Further data are added from Ny-Ĺlesund z “Alfred Wegener Institute for Polar and Marine Research” to compare data from Hornsund and Ny-Ĺlesund. Annual amount of total solar radiation string was 2307 MJm-2 and annual amount of surface radiation balance was 105 MJm-2 in analyzed period. Comparing data from Hornsund and Ny-Ĺlesund higher annual values of total solar radiation (+183 MJm-2) and higher annual values of surface radiation balance (+69 MJm-2) were indicated in Ny-Ĺlesund.
Źródło:
Problemy Klimatologii Polarnej; 2009, 19; 233-246
1234-0715
Pojawia się w:
Problemy Klimatologii Polarnej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Warunki meteorologiczne i biometeorologiczne w rejonie Hornsundu w ciepłej porze roku 2007 i 2008
Biometeorological and meteorological conditions in the Hornsund region during the warm season of 2007 and 2008
Autorzy:
Araźny, A.
Migała, K.
Sikora, S.
Budzik, T.
Puczko, D.
Powiązania:
https://bibliotekanauki.pl/articles/260673.pdf
Data publikacji:
2009
Wydawca:
Stowarzyszenie Klimatologów Polskich
Tematy:
Spitsbergen
warunki meteorologiczne i biometeorologiczne
cyrkulacja atmosferyczna
Hornsund
biometeorological conditions
meteorological conditions
atmospheric circulation
Opis:
W artykule dokonano charakterystyki warunków meteorologicznych i biometeorologicznych w rejonie Hornsundu w okresie ciepłym (od 1 czerwca do 30 września) w roku 2007 i 2008. Pomiary wykonywano w czterech punktach: w Hornsundzie, na Lodowcu Hansa (na linii równowagi i w jego partii firnowej) oraz na szczycie Fugleberget. Przeanalizowano zróżnicowanie warunków meteorologicznych i biometeorolo-gicznych w zależności od: wysokości nad poziomem morza, odległości od morza i charakteru podłoża. Wyko-rzystano m.in. cztery wskaźniki biometeorologiczne: wskaźnik ochładzania wiatrem (WCI), przewidywaną termo-izolacyjność odzieży (Iclp), wielkość ochładzającą powietrza (H) oraz temperaturę odczuwalną (STI). Stwierdzono, że zróżnicowanie przestrzenne badanych elementów meteorologicznych oraz wskaźników biometeorologicznych w rejonie Hornsundu latem 2007 i 2008 roku było znaczące. Przedstawiono wpływ cyrkulacji atmosferycznej na poszczególne elementy meteorologiczne i wskaźniki biometeorologiczne.
In the paper meteorological and biometeorological conditions in the region of Hornsund during the warm season are discussed. The measurements of meteorological and biometeorological para-meters were carried out from 1st June to 30th September 2007 and 2008 at four points: Hornsund (HOR, ö = 77°00’N, ë = 15°33’E, 10 m above sea level), Fugle (FUG, ö = 77°01’ N, ë = 15°34’ E, 568 m above sea level), as well as at middle (HT4, ö = 77°04’ N, ë = 15°63’ E, 184 m above sea level) and firnal (HT9, ö = 77°11’ N, ë = 15°48’ E, 421 above sea level) parts of Hans Glacier (Fig. 1). Spatial differentiation of biometeorological conditions were studied in relation to altitude, ground cover and distance from the sea shore. To define biometeorological conditions the following indices were used: subjective temperature (STI), cooling power (H), wind chill index (WCI) and insulation predicted (Iclp). Significant temporal and spatial differences in studied indices were found. The most severe stimuli were observed at the glacier (HT4 and HT9) and in the mountains (FUG). However, relatively mild conditions were noted during sunny hours. We have also observed close relationships between meteorological elements and biometeorolo-gical indices and atmospheric circulation. The greatest possibility of unfavourable thermal sensations occurs during air advection from N-NNW-NW. The mildest conditions can be expected at advection from SW and W.
Źródło:
Problemy Klimatologii Polarnej; 2009, 19; 203-222
1234-0715
Pojawia się w:
Problemy Klimatologii Polarnej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zróżnicowanie opadów atmosferycznych w rejonie Kaffioyry (NW Spitsbergen) w sezonie letnim w latach 1980-2008
Atmospheric precipitation differentiation in the Kaffioyra region (NW Spitsbergen) in summer season, 1980-2008
Autorzy:
Przybylak, R.
Araźny, A.
Kejna, M.
Maszewski, R.
Wyszyński, P.
Powiązania:
https://bibliotekanauki.pl/articles/260663.pdf
Data publikacji:
2009
Wydawca:
Stowarzyszenie Klimatologów Polskich
Tematy:
Spitsbergen
Kaffioyra
sezon letni
opady atmosferyczne
cyrkulacja atmosferyczna
summer season
precipitation
atmospheric circulation
Opis:
W opracowaniu przedstawiono zróżnicowanie warunków opadowych w rejonie Kaffioyry (NW Spitsbergen) w sezonie letnim na podstawie danych z lat 1980-2008. Zbadano wpływ cyrkulacji atmosferycznej i warunków lokalnych na opady atmosferyczne. Uzyskane wyniki porównano ze stacją Ny-Alesund.
Precipitation in the Arctic, including Spitsbergen, is very important for both the biosphere and for the mass balance of glaciers. Our knowledge about its values inside Arctic islands is limited because almost all meteorological stations are located on tundra below 200 m a.s.l. Therefore any information about precipitation conditions occurring on glaciated and non-glaciated areas lying in the inner parts of Spitsbergen is very valuable. In this paper we present results of precipitation measurements carried out in north-western Spitsbergen (the Kaffioyra region and the Ny Alesund station) in selected summer seasons during the period 1980-2008. Precipitation measurements in the Kaffioyra region have been done during Toruń Polar Expeditions in three stations (base station – Kaffioyra-Heggodden (KH) and two glacier stations located in the lower part (LW1) and upper part (LW2) (see Figure 1 and Table 1). Data for the Ny Alesund (NA) station were obtained from the Norwegian Meteorological Institute. In the KH and NA stations measurements were recorded every day, while in LW1 and LW2 they were generally taken every 1-2 days. Results of precipitation conditions are presented for a common period of observations, i. e. for 21st July-31st August. The influence of atmospheric circulation on precipitation was investigated using the catalogue of circulation types constructed by Niedźwiedź (2009). In the summer season precipitation is greater at the end of the study period, than at the beginning. Year-to-year variability of summer precipitation totals is very large. For example, in KH, the highest precipitation (122.5 mm) occurred in 1997, while the lowest (12.3 mm) was in 2007 (Table 2). Also, the frequency of daily precipitation (.0.1 mm) is significantly greater in most wet summer (61.9%) than in most dry summer (28.6%) (see Table 3). Daily precipitation of .10 mm is rare in the KH station and occurred in only 4 out of the 12 summer seasons. It is well known that precipitation is greater in the inner parts of Spitsbergen than in tundra areas. Less is known, however, about the magnitudes of these differences. For the Kaffioyra region precipi-tation observations are available for 9 summer seasons (Tables 5 and 6). From these Tables and Figure 2 it is clear that precipitation on glaciers is almost always greater than in tundra. On average, summer precipitation totals are greater in LW1 and LW2 than in KH by 21.5 and 35.1 mm, respectively. The greatest differences occurred in 1980, while the lowest were in 2007, when even in LW1 precipitation was lower than in KH (Table 5, Figure 3). Lapse rates of precipitation in the Kaffioyra region are greatest between tundra and glaciated areas (oscillating between 13.2mm/100m and 18.5mm/100m between KH and LW2 and KH and LW1, respectively (Table 7)). On the other hand, this lapse rate between stations LW1 and LW2 is the lowest (only 10.7 mm/100 m). Correlation coefficients of 10-day precipitation totals between the meteorological stations in the Kaffioyra region are very high and exceed 0.9. The greatest precipitation in the Kaffioyra region occurred during the inflow of air masses from the southern sector (Table 8, Fig. 7).
Źródło:
Problemy Klimatologii Polarnej; 2009, 19; 189-202
1234-0715
Pojawia się w:
Problemy Klimatologii Polarnej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Warunki meteorologiczne i biometeorologiczne okolic Hornsundu (Spitsbergen Zachodni) w roku 2009
Meteorological and biometeorological conditions in the Hornsund region (Western Spitsbergen) in 2009
Autorzy:
Araźny, A.
Budzik, T.
Migała, K.
Puczko, D.
Powiązania:
https://bibliotekanauki.pl/articles/261011.pdf
Data publikacji:
2010
Wydawca:
Stowarzyszenie Klimatologów Polskich
Tematy:
warunki meteorologiczne i biometeorologiczne
Spitsbergen
WCI
STI
meteorological and biometeorological conditions
Opis:
W artykule zostały zaprezentowane rezultaty pomiarów meteorologicznych przeprowadzonych w południowej części Ziemi Wedela Jarlsberga, SW Spitsbergen w roku 2009. Pomiary były prowadzone na czterech stanowiskach: na terasie morskiej (PSP), morenie bocznej lodowca (WER) i na lodowcu: w strefie akumulacji (HT9) i poniżej linii równowagi (HT4). Informacje o wartościach elementów meteorologicznych zostały wykorzystane do oceny warunków biotermiczno-meteorologicznych jakie występowały w tych typach terenu. W tym celu przeanalizowano wartości wskaźnika ochładzania wiatrem (WCI), temperatury odczuwalnej (STI) oraz poszczególnych strumieni wymiany ciepła między człowiekiem a otoczeniem.
Presented paper is focused on the meteorological and biometeorological conditions observed in south part of the Wedel Jarslberg Land (SW Spitsbergen) in 2009. Meteorological data used in presented study were collected in four locations: at the Polish Polar Station (PSP: 77.00159°N 15.54131°E, 10 m a.s.l.), lateral moraine of Werenskiold Glacier (WER: 77.07101°N, 15.17852°E, 31 m a.s.l.), middle part of Hans Glacier below equlibium line (HT4: 77.04738°N, 15.63275°E, 180 m a.s.l.) and accumulation’s zone of Hans Glacier (HT9: 77.11656°N, 15.48781°E, 430 m a.s.l.). The average air temperature registered in 2009 was -2.7°C and it is one of the warmest year from starting of the meteorological observations at the Polish Polar Station in 1978. The last two months (November and December) were exceptional: with almost 6°C higher monthly average of air temperature (in comparison with average from 1983 to 2006). Meteorological data as: air temperature, relative humidity, wind speed and solar irradiation were used for calculating the following biometeorological indexes: wind chill index (WCI), subjective temperature index (according to Błażejczyk; STI), man-environment heat exchange fluxes (mC, mE, mRes), radiation and total heat exchange balances (mQ, mS). A significant variety of the biometeorological stimuli at investigated area were observed: in lateral moraine (WER) the most often “comfortable” conditions occurred – up to 34% of the time of August – if wind chill index is taken into account – while this class of thermal feelings at HT4 location is rare (less than 1% of the time of August). The high value of negative heat balance of man exposed to meteorological conditions at the Hans glacier during winter could be danger for human body, if no special arctic wear is used.
Źródło:
Problemy Klimatologii Polarnej; 2010, 20; 83-101
1234-0715
Pojawia się w:
Problemy Klimatologii Polarnej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Warunki topoklimatyczne w sezonach letnich w rejonie Kaffioyry (NW Spitsbergen) w latach 2005-2009
Topoclimatic conditions in summer seasons in the Kaffioyra region (NW Spitsbergen) in the years 2005-2009
Autorzy:
Kejna, M.
Przybylak, R.
Araźny, A.
Jankowska, J.
Maszewski, R.
Wyszyński, P.
Powiązania:
https://bibliotekanauki.pl/articles/261009.pdf
Data publikacji:
2010
Wydawca:
Stowarzyszenie Klimatologów Polskich
Tematy:
Spitsbergen
Kaffioyra
topoklimat
temperatura powietrza
wilgotność względna
kierunek i prędkość wiatru
topoclimat
air temperature
relative humidity
wind direction and speed
Opis:
W artykule przedstawiono zróżnicowanie temperatury i wilgotności względnej powietrza oraz kierunku i prędkości wiatru w rejonie Kaffioyry (NW Spitsbergen) w sezonach letnich 2005-2009. Na podstawie pomiarów w 8 punktach stwierdzono znaczne różnice topoklimatyczne uwarunkowane rodzajem podłoża, wyso-kością nad poziom morza, odległością od morza, ekspozycją oraz lokalną cyrkulacją atmosferyczną. W rejonie Kaffioyry często występują sytuacje inwersyjne, związane nie tylko ze stratyfikacją termiczno-wilgotnościową napływających mas powietrza, ale również oddziaływaniem czynników lokalnych. Zróżnicowanie topoklima-tyczne zmienia się w zależności od stopnia zachmurzenia i pory doby oraz w czasie formowania się wiatrów lokalnych (wiatry lodowcowe i fenowe).
The paper presents the spatial differentiation of the meteorological conditions in the summer seasons in the Kaffiřyra in the period 2005-2009. The meteorological measurement points (4 automatic weather stations and 4 electronic devices measuring temperature and humidity, 2 m a.g.l.) were located on the Kaffiřyra Plain (KH) on the Waldemar Glacier area (ATA, LW1, LW2) and on the mountains: Kuven (KU), Grĺfjellet (GF) and Prins Heinrichfjella (PH1, PH2). The analysed five seasons had changeable weather conditions dependent on types of synoptic situations. The highest air temperatures were recorded on the coast (KH 5.8°C) and on the marginal zone of the Waldemar Glacier (ATA 5.1°C). On the glaciated area air temperature is decreasing with the altitude (LW2 2.9°C). The largest temperature lapse-rate is recorded at the transitional area between the glacier and its marginal zone. Growing altitude lowers air temperature on the mountain ridges (GF 4.0°C, PH2 3.6°C), but temperature inversions are recorded quite frequently in the region. Relative air humidity is high due to low temperature and large frequency of occurrence of maritime air masses. The highest mean relative air humidity was recorded on the coast (KH 88%) and on the firn field of the Waldemar Glacier (LW2 84%) as well as on the mountain ridges (PH2 92%). The course of the relative humidity is significantly influenced by foehn winds. Wind directions and velocity in the study area are strongly dependent on the synoptic situation and influence of local factors, mainly orography (foehn winds). Wind regime in the Waldemar Glacier significantly differs from that observed in the Kaffiřyra (here the tunnel effect is observed as a consequence of the narrow Forlandsundet, presences to the abovementioned plain), mainly due to katabatic winds occurrence.
Źródło:
Problemy Klimatologii Polarnej; 2010, 20; 63-81
1234-0715
Pojawia się w:
Problemy Klimatologii Polarnej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zróżnicowanie przestrzenne i wieloletnia zmienność temperatury gruntu w rejonie Stacji Polarnej UMK (NW Spitsbergen) w okresie letnim (1975-2009)
Differentiation and long-term changes in ground temperature on the Kaffioyra plan (NW Spitsbergen) in the summer season from 1975 to 2009
Autorzy:
Przybylak, R.
Araźny, A.
Kejna, M.
Powiązania:
https://bibliotekanauki.pl/articles/261005.pdf
Data publikacji:
2010
Wydawca:
Stowarzyszenie Klimatologów Polskich
Tematy:
Spitsbergen
temperatura gruntu
sezon letni
zmienność wieloletnia
ground temperature
summer season
long-term changes
Opis:
W artykule przedstawiono podsumowanie wyników badań dotyczących zmian temperatury gruntu w otoczeniu Stacji Polarnej UMK na Kaffioyrze (NW Spitsbergen) w sezonie letnim. Do analizy wzięto dane pomiarowe z 5 głębokości (1, 5, 10, 20 i 50 cm) z 3 różnych ekotopów (plaża, morena i tundra) wykonane w trakcie 17 dotychczasowych wypraw polarnych zorganizowanych przez Instytut Geografii UMK w różnych latach okresu 1975-2009. W celu uzyskania pełnej porównywalności wyników wybrano okres 21.07-31.08, dla którego dostępne są kompletne dane dla niemal wszystkich sezonów letnich analizowanych w artykule. Serie temperatury gruntu na wszystkich stanowiskach i poziomach są ze sobą bardzo silnie skorelowane. Wyraźnie największy wpływ na zmierzone wartości temperatury gruntu w całej badanej warstwie wywiera tempe-ratura powietrza (współczynniki korelacji wahają się od 0,6 do 0,86). Inne elementy meteorologiczne takie jak prędkość wiatru, zachmurzenie i usłonecznienie również w sposób istotny wpływają na temperaturę gruntu, ale głównie w warstwie 0-20 cm (współczynniki korelacji wahają się od 0,15 do 0,28). Istotny statystycznie, chociaż ilościowo bardzo niewielki, wpływ na temperaturę gruntu w warstwie do 20 cm ma także opad atmosferyczny.
In the present paper a comprehensive synthesis of ground temperature changes on the Kaffiřyra Plain (NW Spitsbergen) in the summer season (21st July to 31st August) from 1975 to 2009 is described. This has been done with two main aims in mind: i) to examine the influence of different ecotypes on ground temperature values in the layer 1-50 cm, and ii) to examine long-term changes of ground temperature. The highest values of long-term average ground temperature in the summer season have been observed between 20th and 25th July. After this period a gradual decrease in ground temperature is observed (Table 2, Fig. 3). One clear cold singularity can be distinguished here occurring at the end of July and start of August which is connected with a significant decrease in air temperature observed very often during this time. In the period 1978-2009 the warmest ground in the entire analysed layer was observed at the ‘Moraine’ site (6.2°C), and the coldest was at the ‘Tundra’ site (5.1°C) – Table 3, Fig. 4. However, in the shallowest layer (up to 1 cm) markedly the warmest site was the beach, while the coldest was at a depth of 50 cm (Fig. 4). The reason for the large decrease of temperature in this layer was that this was where the permafrost roof was at its shallowest. As a consequence of this temperature behaviour in the layer, the ‘Beach’ site shows the greatest lapse rate of ground temperature (-0.78°C/10 cm) (Table 4). In the warmest summer seasons a greater range of ground temperature in the daily cycle is observed than in the coldest ones, which is very clearly seen, in particular in the layer from surface up to 20 cm (Fig. 5). In the study period a significant increase in ground temperature in the layer 1-20 cm was observed starting in 1998, while at a depth of 50 cm this rise can be seen from 2005 onward (Fig. 6). Very high and statistically significant correlation have been found between series of daily ground temperature taken from all sites and all measurement depths (Table 5). Air temperature is a meteorological variable, which has the greatest influence on the values of ground temperature. Correlation coefficients between series of its daily values and series of average daily ground temperature in all analysed depths at the ‘Beach’ site oscillate from 0.6 to 0.86 (Table 6, Fig. 7). Important factors controlling values of ground temperature in the layer 0-20 cm are also wind velocity, cloudiness and sunshine duration (correlation coefficients oscillate between 0.15 and 0.28).
Źródło:
Problemy Klimatologii Polarnej; 2010, 20; 103-120
1234-0715
Pojawia się w:
Problemy Klimatologii Polarnej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Air temperature and precipitation changes in the Kaffioyra region (NW Spitsbergen) from 1975 to 2010
Autorzy:
Przybylak, R.
Kejna, M.
Arazny, A.
Powiązania:
https://bibliotekanauki.pl/articles/11944.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
air temperature
precipitation change
Kaffioyra region
Spitsbergen
1975-2010 period
climate reconstruction
summer season
meteorological element
Opis:
Air temperature and precipitation conditions in the Kaffiøyra region in the summer season (21st July–31st August) for the period of 1975–2010 are described: 1) on the basis of data gathered in 18 expeditions during which meteorological measurements were done, and 2) on the basis of complete series of data combining both original and reconstructed data. The latter ones were obtained using data from Ny Ålesund meteorological station, which are strongly correlated with the data from Kaffiøyra. Seasonal statistics presented for air temperature and precipitation based on these two sets of data reveal only slight changes. Temperature parameters (daily mean, maximum and minimum) for summer in Kaffiøyra in the study period (1975–2010) show upward trends, which are, however, statistically significant only for the daily mean. On the other hand, precipitation totals in the study period reveal a downward trend, but not statistically significant. Such thermal-precipitation behaviour in the study part of Spitsbergen in general terms is similar to those in other parts of Spitsbergen.
Źródło:
Papers on Global Change; 2011, 18
2300-8121
1730-802X
Pojawia się w:
Papers on Global Change
Dostawca treści:
Biblioteka Nauki
Artykuł
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