Results 11 to 20 of about 991,880 (304)

The long-term assessment of air quality on an island in Malaysia

Heliyon, 2018
This study aims to evaluate the air quality on Langkawi Island, a famous tourist destination in Malaysia, using 13 years of data (1999–2011) recorded by the Malaysian Department of Environment.
Nor Diana Abdul Halim, Mohd Talib Latif, Fatimah Ahamad, Doreena Dominick, Jing Xiang Chung, Liew Juneng, Md Firoz Khan   +6 more
doaj   +1 more source

A sensitivity study of Surface Wind simulations over Coastal Ghana to selected Time Control and Nudging options in the Weather Research and Forecasting Model

Heliyon, 2019
Over the years, the Weather Research and Forecasting Model (WRF) has been gaining popularity as a low-cost alternative source of data for wind resource assessments.
Denis E.K. Dzebre, Akwasi A. Acheampong, Joshua Ampofo, Muyiwa S. Adaramola   +3 more
doaj   +1 more source

Absorption coefficient of carbon dioxide across atmospheric troposphere layer

Heliyon, 2018
Absorption coefficient affected by carbon dioxide concentration and optical path length responsible for temperature or global warming across the troposphere layer, which is less than the altitude of 10 km in the atmosphere, is systematically presented in
Peng-Sheng Wei, Yin-Chih Hsieh, Hsuan-Han Chiu, Da-Lun Yen, Chieh Lee, Yi-Cheng Tsai, Te-Chuan Ting   +6 more
doaj   +1 more source

The occurrence of cyanobacteria blooms in freshwater ecosystems and their link with hydro-meteorological and environmental variations in Tanzania

Heliyon, 2019
Cyanobacteria (blue-green algae) are photosynthetic bacteria that under favorable environmental conditions produce secondary metabolites (cyanotoxins) which are harmful to the environment, including humans. The mass proliferation of harmful cyanobacteria
Offoro N. Kimambo, Jabulani R. Gumbo, Hector Chikoore   +2 more
doaj   +1 more source

A new approach for processing climate missing databases applied to daily rainfall data in Soummam watershed, Algeria

Heliyon, 2019
Missing data is a very frequent problem in climatology, it influences on the quality of results that will afford in hydrological studies, as well as water resources management.
Amir Aieb, Khodir Madani, Marco Scarpa, Brunella Bonaccorso, Khalef Lefsih   +4 more
doaj   +1 more source

Short-term wind speed forecasting in Uruguay using computational intelligence

Heliyon, 2019
Short-term wind speed forecasting for Colonia Eulacio, Soriano Department, Uruguay, is performed by applying an artificial neural network (ANN) technique to the hourly time series representative of the site.
P.J. Zucatelli, E.G.S. Nascimento, G.Y.R. Aylas, N.B.P. Souza, Y.K.L. Kitagawa, A.A.B. Santos, A.M.G. Arce, D.M. Moreira   +7 more
doaj   +1 more source

The formation, properties and impact of secondary organic aerosol: current and emerging issues [PDF]

, 2009
Secondary organic aerosol (SOA) accounts for a significant fraction of ambient tropospheric aerosol and a detailed knowledge of the formation, properties and transformation of SOA is therefore required to evaluate its impact on atmospheric processes ...
Baltensperger, U., Claeys, M., Dommen, J., Donahue, N. M., George, C., Goldstein, A. H., Hallquist, M., Hamilton, J. F., Herrmann, H., Hoffmann, T., Iinuma, Y., Jang, M., Jenkin, M. E., Jimenez, J. L., Kiendler-Scharr, A., Maenhaut, W., McFiggans, G., Mentel, Th. F., Monod, A., Prevot, A. S. H., Rudich, Y., Seinfeld, J. H., Simpson, D., Surratt, J. D., Szmigielski, R., Wenger, J. C., Wildt, J.   +26 more
core   +7 more sources

A Large Deviation Rate and Central Limit Theorem for Horton Ratios [PDF]

, 1991
Although originating in hydrology, the classical Horton analysis is based on a geometric progression that is widely used in the empirical analysis of branching patterns found in biology, atmospheric science, plant pathology, etc., and more recently in ...
Wang, Stanley Xi, Waymire, Edward C.
core   +1 more source

Spatiotemporal analysis of atmospheric aerosols in African environments using MERRA-2 data (1980–2024): Impacts on climate extremes

iScience
Summary: This study investigates atmospheric aerosol trends and their climatic impacts across Africa from 1980 to 2024 using MERRA-2 reanalysis data.
Daniel O. Omokpariola
doaj   +1 more source

Discussion and analysis on key words indexing and abstract writing methods of atmospheric science academic papers

暴雨灾害, 2021
Random statistics samples of 605 papers in 50 issues including 18 core journals and 15 provincial journals of atmospheric science show that there are about 38% of the key words or abstract writing is not standardized.
Wen DENG, Yishan LIAO, Airong MIN
doaj   +1 more source