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Tytuł:
Activation of the operational ecohydrodynamic model (3D CEMBS) – the ecosystem module
Autorzy:
Dzierzbicka-Glowacka, L.
Janecki, M.
Nowicki, A.
Jakacki, J.
Powiązania:
https://bibliotekanauki.pl/articles/47755.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
Baltic Sea
ecosystem model
3D CEMBS model
Baltic ecosystem
ecohydrodynamic model
chlorophyll a
phytoplankton
nutrient
zooplankton
oxygen
hydrodynamic parameter
Źródło:
Oceanologia; 2013, 55, 3
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Activation of the operational ecohydrodynamic model (3D CEMBS) – the hydrodynamic part
Autorzy:
Dzierzbicka-Glowacka, L.
Jakacki, J.
Janecki, M.
Nowicki, A.
Powiązania:
https://bibliotekanauki.pl/articles/47668.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
Baltic Sea
3D model
operational ecohydrodynamic model
hydrodynamic model
hydrodynamic process
biological process
bioproductivity
monitoring
marine ecosystem
Źródło:
Oceanologia; 2013, 55, 3
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assimilation of the satellite SST data in the 3D CEMBS model
Autorzy:
Nowicki, A.
Dzierzbicka-Glowacka, L.
Janecki, M.
Kalas, M.
Powiązania:
https://bibliotekanauki.pl/articles/47919.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
satellite data
assimilation
marine ecosystem
Baltic Sea
ecosystem model
3D CEMBS model
operational oceanography
hydrodynamic parameter
biochemical parameter
Źródło:
Oceanologia; 2015, 57, 1
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development and growth of Temora longicornis: numerical simulations using laboratory culture data
Autorzy:
Dzierzbicka-Glowacka, L.
Lemieszek, A.
Zmijewska, I.M.
Powiązania:
https://bibliotekanauki.pl/articles/48869.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
development
growth rate
numerical simulation
Temora longicornis
laboratory culture
temperature
food concentration
duration
growth parameter
North Sea
zooplankton
diet
herring
sprat
Opis:
Quantitative expressions are presented to describe the effects of temperature and food concentration on stage duration and growth rate of Temora longicornis for each of the model stage groups (N1–N6 – naupliar stages, C1, C2, C3, C4, C5 –the five copepodid stages). The calculations were made on the basis of experimental data from the literature for T. longicornis from the south-eastern and the southern North Sea. Relationships were obtained between the growth parameters and temperature for the 5–10◦C temperature range and food concentrations from 25 mgC m−3 to excess. Also computed was the total mean development time as a function of the above-mentioned parameters, temperature and food availability. The simulations computed here are similar to the experimental results. The growth rates for successive stages were obtained according to the correction of the ‘Moult Rate’ method, which allows the use of mean weights and stage durations. The calculations also suggest that three complete generations of T. longicornis from the Gdańsk Deep (the southern Baltic Sea) can develop during a single year.
Źródło:
Oceanologia; 2011, 53, 1
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dissolved oxygen variability in the Southern Baltic Sea in 2013—2018
Autorzy:
Rak, D.
Walczowski, W.
Dzierzbicka-Glowacka, L.
Shchuka, S.
Powiązania:
https://bibliotekanauki.pl/articles/2079094.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
dissolved oxygen concentration
oxygenation
sea water
water column
surface layer
seasonal cycle
major inflow
Baltic Sea
Opis:
This paper discusses changes in the dissolved oxygen concentration (DOC) in the southern Baltic Sea. The oxygenation of the whole water column was estimated. Monthly mean DOCs, as well as a detailed description of the annual surface layer dissolved oxygen (DO) cycle, are presented. The DO cycle at the surface is characterized by two maxima in March/April and November, and by two minima in July/August and December. The DO decline time after the major Baltic inflow (MBI) in 2014 was estimated at about 10 months for the Bornholm Deep and Słupsk Furrow. Whereas the Bornholm Basin was relatively well oxygenated, low oxygen concentrations (<4 mg l−1) were measured in the deep layer of the Gdańsk Deep throughout the inflow period. In addition, the cod spermatozoa activation layer together with the neutral egg buoyancy layer for the Bornholm Basin and Słupsk Furrow are discussed on the basis of the measured DOCs and the variability in hydrographic conditions.
Źródło:
Oceanologia; 2020, 62, 4PA; 525-537
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hydrogeochemistry and magnitude of SGD in the Bay of Puck, Southern Baltic Sea
Autorzy:
Klostowska, Z.
Szymczycha, B.
Lengier, M.
Zarzeczanska, D.
Dzierzbicka-Glowacka, L.
Powiązania:
https://bibliotekanauki.pl/articles/47678.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
hydrogeochemistry
submarine groundwater discharge
seasonal variability
spatial variability
Puck Bay
Baltic Sea
Źródło:
Oceanologia; 2020, 62, 1
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of environmental factors on the population dynamics of key zooplankton species in the Gulf of Gdansk (Southern Baltic Sea)
Autorzy:
Musialik-Koszarowska, M.
Dzierzbicka-Glowacka, L.
Weydmann, A.
Powiązania:
https://bibliotekanauki.pl/articles/48452.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
environmental factor
abiotic factor
population dynamics
zooplankton
Acartia
Temora longicornis
Pseudocalanus
biomass
Gdansk Gulf
Baltic Sea
Źródło:
Oceanologia; 2019, 61, 1
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelling the seasonal dynamics of marine plankton in the Southern Baltic Sea. Part 1. A Coupled Ecosystem Model
Autorzy:
Dzierzbicka-Glowacka, L.
Powiązania:
https://bibliotekanauki.pl/articles/47615.pdf
Data publikacji:
2005
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
nutrient
Clupea harengus
marine plankton
Baltic Sea
microzooplankton
phytoplankton
Coupled Ecosystem Model
Pseudocalanus elongatus
ecosystem model
Opis:
The paper presents a one-dimensional Coupled Ecosystem Model (1DCEM) consisting of three submodels: a meteorological submodel for the physics of the upper layer and a biological submodel, which is also driven by output from the physical submodel. The biological submodel with a high-resolution zooplankton module and a simple prey-predator module consists of seven mass conservation equations. There are six partial second-order differential equations of the diffusion type for phytoplankton, microzooplankton, mesozooplankton, fish, and two nutrient components (total inorganic nitrogen and phosphate). The seventh equation, an ordinary differential equation, describes the development of detritus at the bottom. In this model the mesozooplankton (herbivorous copepods) is represented by only one species – Pseudocalanus elongatus – and is composed of 6 cohorts. The fish predator is represented by 3 cohorts of early juvenile herring Clupea harengus. Hence, the biological submodel consists of an additional twelve equations, six for weights and six for the numbers in 6 cohorts of P. elongatus, and three equations for the biomasses of 3 predator cohorts. This model is an effective tool for solving the problem of ecosystem bioproductivity and was tested in Part 2 for one partcular year.
Źródło:
Oceanologia; 2005, 47, 4
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelling the seasonal dynamics of marine plankton in the Southern Baltic Sea. Part 2. Numerical simulations
Autorzy:
Dzierzbicka-Glowacka, L.
Powiązania:
https://bibliotekanauki.pl/articles/48617.pdf
Data publikacji:
2006
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
turbulence
nutrient
Clupea harengus
encounter rate
marine plankton
Baltic Sea
microzooplankton
phytoplankton
modelling
Pseudocalanus elongatus
seasonal dynamics
Opis:
This work presents numerical simulations of the time-dependent vertical distributions of phytoplankton, microzooplankton, Pseudocalanus elongatus, early juvenile herring (Clupea harengus) and two nutrient components (total inorganic nitrogen and phosphate) using the 1D-Coupled EcosystemMo del with a highresolution mesozooplankton (herbivorous copepods) module for P.elongatus and a simple prey-predator model for early juvenile herring C. harengus. This m odel was discussed in detail in Part 1. The calculations were done for one year (1999) for a station in the Gdańsk Deep (southern Baltic Sea). The results of the simulations were compared with the mean concentrations of nutrients, phytoplankton and zooplankton recorded in situ. The differences between the calculated and mean recorded values of nutrients and phytoplankton are c. 5–30% and depend on the month and depth for which the calculations were done. However, the calculated depth-integrated biomass of P. elongatus differs fromthe mean recorded value. This difference ranges from30 to 50% at the end of May. The 1DCEM model can be used to forecast ecological changes in the southern Baltic Sea.
Źródło:
Oceanologia; 2006, 48, 1
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Numerical modelling of POC dynamics in the Southern Baltic under possible future conditions determined by nutrients, light and temperature
Autorzy:
Dzierzbicka-Glowacka, L.
Kulinski, K.
Maciejewska, A.
Jakacki, J.
Pempkowiak, J.
Powiązania:
https://bibliotekanauki.pl/articles/47783.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
Baltic Sea
detritus
natural mortality
numerical modelling
nutrient
particulate organic carbon
phytoplankton
predator
primary production
temperature
temporal change
zooplankton
Opis:
This paper discusses predictions of particulate organic carbon (POC) concentra- tions in the southern Baltic Sea. The study is based on the one-dimensional Particulate Organic Carbon Model (1D POC), described in detail by Dzierzbicka- Głowacka et al. (2010a). The POC concentration is determined as the sum of phytoplankton, zoo- plankton and dead organic matter (detritus) concentrations. Temporal changes in the phytoplankton biomass are caused by primary production, mortality, grazing by zooplankton and sinking. The zooplankton biomass is affected by ingestion, excretion, faecal production, mortality and carnivorous grazing. The changes in the pelagic detritus concentration are determined by the input of dead phytoplankton and zooplankton, the natural mortality of predators, faecal pellets, and sinks – sedimentation, zooplankton grazing and biochemical decomposition. The model simulations were done for selected locations in the southern Baltic Sea (Gdańsk Deep, Bornholm Deep and Gotland Deep) under predicted conditions characterized by changes of temperature, nutrient concentrations and light availability. The results cover the daily, monthly, seasonal and annual POC concentration patterns in the upper water layer. If the assumed trends in light, nutrients and temperature in the southern Baltic correctly predict the conditions in 2050, our calculations indicate that we can expect a two- to three-fold increase in POC concentration in late spring and a shift towards postponed maximum POC concentration. It can also be anticipated that, as a result of the increase in POC, oxygenation of the water layer beneath the halocline will decrease, while the supply of food to organisms at higher trophic levels will increase.
Źródło:
Oceanologia; 2011, 53, 4
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Numerical simulations of sea ice conditions in the Baltic Sea for 2010–2016 winters using the 3D CEMBS model
Autorzy:
Janecki, M.
Nowicki, A.
Kańska, A.
Golenko, M.
Dzierzbicka-Głowacka, L.
Powiązania:
https://bibliotekanauki.pl/articles/260518.pdf
Data publikacji:
2018
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
Baltic Sea
sea ice
numerical modelling
remote sensing
climate change
Opis:
Sea ice conditions in the Baltic Sea during six latest winters – 2010/2011 to 2015/2016 are analysed using coupled ice– ocean numerical model 3D CEMBS (3D Coupled Ecosystem Model of the Baltic Sea). Simulation results are compared with observations from monitoring stations, ice charts and satellite data. High correlation between model results and observations has been confirmed both in terms of spatial and temporal approach. The analysed period has a high interannual variability of ice extent, the number of ice days and ice thickness. Increasing number of relatively mild winters in the Northern Europe directly associated with climate change results in reduced ice concentration in the Baltic Sea. In this perspective, the implementation and development of the sea ice modelling approach (in addition to standard monitoring techniques) is critical to assess current state of the Baltic Sea environment and predict possible climate related changes in the ecosystem and their influence for human marine–related activities, such as fishery or transportation.
Źródło:
Polish Maritime Research; 2018, 3; 35-43
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Numerical studies of the influence of food ingestion on phytoplankton and zooplankton biomasses
Autorzy:
Dzierzbicka-Glowacka, L.
Powiązania:
https://bibliotekanauki.pl/articles/47575.pdf
Data publikacji:
2002
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
biomass
nutrient
zooplankton
food ingestion
phytoplankton
mathematical model
marine ecosystem
herbivorous copepod
Opis:
This paper presents the numerical simulations of the influence of food ingestion by a herbivorous copepod on phytoplankton and zooplankton biomasses (PZB) in the sea. The numerical studies were carried out using the phytoplankton- -zooplankton-nutrient-detritus PhyZooNuDe biological upperla yer model. This takes account both of fully developed primary production and regeneration mechanisms and of daily migration of zooplankton. In this model the zooplankton is treated not as a ‘biomass’ but as organisms having definite patterns of growth, reproduction and mortality.
Źródło:
Oceanologia; 2002, 44, 1
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Parameterisation of a population model for Acartia spp. in the Southern Baltic Sea. Part 1. Development time
Autorzy:
Dzierzbicka-Glowacka, L.
Lemieszek, A.
Zmijewska, M.I.
Powiązania:
https://bibliotekanauki.pl/articles/49034.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
population dynamics
environment condition
Baltic Sea
development
Acartia bifilosa
Acartia
growth
Gdansk Gulf
population model
Opis:
The copepod model (see Dzierzbicka-Głowacka 2005b),red uced to a zero-dimensional population model (Fennel 2001,S tegert et al. 2007),i s calibrated for Acartia spp. under the environmental conditions typical of the southern Baltic Sea. Most of the coefficients used in the model are taken from the literature,co ntaining values from various published studies and parameters derived for similar species. The parameters for growth are presented in Part 1; those for population dynamics are given in Part 2. Ingestion rates,whic h are dependent on developmental stage, food supply,temp erature and weight of the animals, are estimated for Acartia bifilosa at 15◦C from the Gdańsk Deep after the experimental data of Ciszewski & Witek (1977). In Part 1 the model presents the change in mean individual mass in successive stages. Quantitative formulae are obtained describing the effects of temperature and food concentration on the development time of Acartia spp. for each of the model stage groups. The generation time during the seasons in the upper layer of the Gdańsk Deep is also determined. The simulations computed here are similar to the experimental results. Part 2 (Dzierzbicka-Głowacka et al. 2009 – this issue) will evaluate egg production as a function of the above-mentioned parameters,temp erature and food availability.
Źródło:
Oceanologia; 2009, 51, 2; 165-184
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Parameterisation of a population model for Acartia spp. in the Southern Baltic Sea. Part 2. Egg production
Autorzy:
Dzierzbicka-Glowacka, L.
Lemieszek, A.
Zmijewska, M.I.
Powiązania:
https://bibliotekanauki.pl/articles/48730.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
environment condition
Baltic Sea
Gdansk Deep
Acartia
population model
copepod
egg production
Opis:
The paper describes the modelling ofeg g production in Acartia spp. under changing environmental conditions in the southern Baltic Sea (Gdańsk Deep). The hypothesis (Sekiguchi et al. 1980) that the food-saturated rate of egg matter production is equivalent to specific growth rate ofco pepods is applied. The average number ofeggs produced per day by one Acartia female is obtained as a function ofg rowth rate, i.e. by multiplying exp gN3 − 1 from the growth rate of the nauplius stage equation by Wfemale/Wegg. The copepod model, reduced to a zerodimensional population model calibrated for Acartia spp. under the environmental conditions typical ofthe southern Baltic Sea, was used to determine the effects of temperature and food concentration on the growth rate ofeac h oft he model stages (see Part 1 – Dzierzbicka-Głowacka et al. 2009 – this issue). In this part, egg production as a function of the above parameters is evaluated. The rate of reproduction during the seasons in the upper layer ofthe Gdańsk Deep is also determined.
Źródło:
Oceanologia; 2009, 51, 2; 185-201
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 25

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