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    Wyświetlanie 1-4 z 4
    Tytuł:
    The Changes in Temperature and Relative Humidity in Lagos State, Nigeria
    Autorzy:
    Salau, Opeyemi R.
    Powiązania:
    https://bibliotekanauki.pl/articles/1182945.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    temperature
    relative humidity
    rainfall
    global warming
    heat stroke
    lagos
    Opis:
    The variability in the temperature and Relative Humidity (RH) observed within Lagos State, a coastal region in Nigeria, is investigated using data from Nigeria Meteorological Agency (NIMET) for 1980 to 2010. The results reveal an annual mean value of 27.20°C and 83.01% for the temperature and RH respectively and an increasing trend in RH over the study period while such rising trend in the mean temperature is reversed from 2005 to 2010. The findings show an inverse relationship between the temperature and RH while it further indicates that low temperature is associated with increased rainfall under the accompanying cloudy condition and vice versa. These observations are supported by the strong correlation coefficients between the RH and the rainfall (0.72) and that between the RH and the temperature (-0.95) while -0.59 is obtained between the rainfall and the corresponding temperature. The correlations show that the impacts of the precipitation on RH are stronger than the effects it has on the temperature while both temperature and RH strongly depends on each other. Hence, under a future global warming, extremely warm atmospheric condition characterized by high RH in the coastal region could cause heat stroke, discomfort and health problems among the inhabitants. However, the area becomes conducive and attractive to tourists under moderate RH and good temperature.
    Źródło:
    World Scientific News; 2016, 49, 2; 295-306
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effects of Changes in Temperature, Rainfall and Relative Humidity on Banana Production in Ondo State, Nigeria
    Autorzy:
    Salau, Opeyemi R.
    Momoh, Marvelous
    Olaleye, Oluwatosin A.
    Owoeye, Rufus S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1190205.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Banana
    Plantain
    Rainfall
    Temperature
    Agriculture
    Relative Humidity
    Opis:
    The effects of climate change on agriculture may have strong impacts on the world’s food economy and are likely to threaten both the welfare of the world’s population and the economic development of the global society. Hence, the impacts of changes in important climate variables like temperature, rainfall and relative humidity on the production of a major food commodity called banana is investigated using the data obtained within 1998-2012 from Ondo State, Nigeria. The results suggest that excessive rainfall and extremely high temperature can reduce banana productivity while the production is also small when both rainfall and temperature are very low with poor humidity. On the average, the findings show that a mean temperature of about 26 °C and average rainfall of around 1891mm with relative humidity of approximately 77% will lead to good annual banana production above 61,000 tons in Ondo State. Since these climate variables will fluctuate under a future climate change condition, the coping strategies recommended for farmers in the area and in similar places might include planting of drought- and disease resistant banana types, monitoring of weather conditions, use of irrigation and chemicals. Improved storage facilities are also important while transportation of banana should be done under controlled conditions to avoid spoiling the quality.
    Źródło:
    World Scientific News; 2016, 44; 143-154
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study on Solving Drinking Water Problems of a Household in Coastal regions of Odisha, India
    Autorzy:
    Mohapatra, Ramesh Chandra
    Powiązania:
    https://bibliotekanauki.pl/articles/1062896.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Atmospheric Water Generator
    Dehumidifier unit
    Desalination
    Relative humidity
    Opis:
    Though water covers more than two-third (about 70%) of the earth’s surface, still fresh water used for drinking purposes remains scarce (only about 2.5%). This is mainly due to presence of long coastlines & island nations. As a result most of the countries meet their water demands by desalination of sea water which is a very costly affair. In India, the state like Odisha has a long coastline. Till now Odisha has not developed a method from which water from sea can be used to provide drinking water to the people. The aim of this present work is to develop a portable device that can be used to meet the water requirement of a regular household. The device will first condense the water present in the atmosphere & then purify it so that it can be used for drinking. Such a device is called Atmospheric Water Generator. From this work, it was found that if the ambient temperature is 35 ºC or higher & if the relative humidity is greater than 50% then the device will function well & it will start condensing water. Thus in order to work the device in coastal areas of Odisha metrological datas are collected from internet for major coastal cities of Odisha and found that the relative humidity of coastal cities in Odisha remains above 50% throughout the year. Hence the developed device will work round the year without any problem.
    Źródło:
    World Scientific News; 2019, 127, 3; 311-324
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Statistical Analysis of Some Meteorological Variables Data for Sokoto and its Vicinity
    Autorzy:
    Hassan, Z.
    Ajibola, T. B.
    Powiązania:
    https://bibliotekanauki.pl/articles/1193862.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Gumbel
    Meteorological variables
    Normal
    Pearson and Log-pearson type III
    Statistical Analysis
    relative humidity
    solar radiation
    some meteorological variables
    Opis:
    This study aims at studying the characteristics of some meteorological variables in Sokoto and its vicinity using probability distribution models. The thirty one (31) years data (i.e 1980-2010) were collected at Nigerian Meteorological Agency (Nimet) Oshodi and the data were subjected to various probability distribution analyses in order to resolute the best fit probability functions for each meteorological variables. The variables measured consist of Relative humidity, Rainfall, Temperature, Sunshine hours, Solar radiation, wind speed and Evaporation pitche. Whereas the probability distribution models adopt were Normal, Gumbel, Pearson type III and Log-Pearson type III distribution functions. Numerical equation were recognized and used to forecast the variables. Goodness of fit tests such as chi-square, correlation coefficient and coefficient of determination were carried out to obtain the reliability of the forecasted values. The model that satisfies the statistical tests conditions mostly was selected as the best fit model. The study revealed that Rainfall, wind speed, evaporation pitche are best fitted by Log-pearson type III probability distribution model, whereas the Relative humidity, solar radiation, sunshine hours and temperature the best model is Gumbel probability distribution.
    Źródło:
    World Scientific News; 2015, 24; 8-17
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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