Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Helen C. Power"'
Publikováno v:
Learning and Individual Differences. 16:337-349
The influences of domain-specific meteorological knowledge and general visual–spatial abilities on the comprehension of simple weather maps were examined in a regression-based study involving a sample of participants with relatively low meteorologi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd78cec864fcfd23ac41c096515a9883
https://doi.org/10.1016/j.lindif.2007.01.003
https://doi.org/10.1016/j.lindif.2007.01.003
Publikováno v:
International Journal of Climatology. 26:723-741
The spatial and temporal variability of atmospheric aerosols is not well understood, as most studies have been constrained to data sets that include few stations and are of short duration. Furthermore, all methods for quantifying atmospheric turbidit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f66de84c5268ba4e1a03e1db36f8bca9
https://doi.org/10.1002/joc.1277
https://doi.org/10.1002/joc.1277
Autor:
Gregory J. Carbone, Helen C. Power
Publikováno v:
Journal of Geography. 104:3-7
Students learn more from introductory weather and climate courses when they can relate theoretical material to personal experience. The ubiquity of weather should make the link obvious, but instructors can foster this connection with a variety of sim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13885d8166fda68d588355c2c8988ce8
https://doi.org/10.1080/00221340508978916
https://doi.org/10.1080/00221340508978916
Autor:
D. M. Mills, Helen C. Power
Publikováno v:
International Journal of Climatology. 25:295-318
Spatial and temporal variability in global, diffuse, and horizontal direct irradiance and sunshine duration has been evaluated at eight stations in South Africa and two stations in Namibia where the time series range between 21 and 41 years. Global a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb0fcfba2f77d064f3b3e9146105f2c2
https://doi.org/10.1002/joc.1134
https://doi.org/10.1002/joc.1134
Autor:
Helen C. Power
Publikováno v:
Progress in Physical Geography: Earth and Environment. 27:502-547
Aerosols affect climate by scattering and absorbing radiation and by modifying the physical and radiative properties of clouds. Despite their importance in the climate system, the temporal and spatial variability of aerosols is not well understood. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b868864bf08a23639840c590a8f0896d
https://doi.org/10.1191/0309133303pp393ra
https://doi.org/10.1191/0309133303pp393ra
Autor:
Apurva Goyal, Helen C. Power
Publikováno v:
International Journal of Climatology. 23:921-941
A radiation-based model is employed to evaluate seasonal, interannual, and spatial variability within monthly averaged turbidity (the total column amount of aerosol) at eight stations in South Africa and 13 stations in Germany. Germany has a strong s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00c8678cf6dc05e8bc41e311457978ff
https://doi.org/10.1002/joc.918
https://doi.org/10.1002/joc.918
Autor:
Helen C. Power, Cort J. Willmott
Publikováno v:
International Journal of Climatology. 21:579-591
Aerosols affect climate by attenuating solar radiation and acting as cloud condensation nuclei. Despite their importance in the climate system, our understanding of the time-space variability of aerosols is fragmentary. Measurements and reliable esti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d1da869efea5a64f0dc62e70aa9f282
https://doi.org/10.1002/joc.629
https://doi.org/10.1002/joc.629
Autor:
Helen C. Power
Publikováno v:
Atmospheric Environment. 35:125-134
Aerosols have several important influences on the climate system. Among the more important of these are their roles in absorbing and scattering radiation, and as condensation nuclei in cloud-forming processes. Despite their importance, knowledge of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::baa80ea265a7e0d7547d5a3a82cb3e02
https://doi.org/10.1016/s1352-2310(00)00277-6
https://doi.org/10.1016/s1352-2310(00)00277-6
Autor:
Helen C. Power
Publikováno v:
Solar Energy. 71:217-224
Monthly-averaged climate and turbidity data from five sites in North America and Europe are employed to evaluate the relationships among monthly-averaged observed beam irradiation ( H b and H bn ), clear-sky beam irradiation ( H bc and H bnc ), sunsh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45a16c4da44f78cf0f25cd17fc4ded27
https://doi.org/10.1016/s0038-092x(01)00049-4
https://doi.org/10.1016/s0038-092x(01)00049-4
Autor:
Helen C. Power, John H. Schuenemeyer
Publikováno v:
Mathematical Geology. 32:521-541
The U.S. Geological Survey is conducting a national assessment of coal resources. As part of that assessment, a geostatistical procedure has been developed to estimate the uncertainty of coal resources for the historical categories of geological assu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5488fe674f088c09247f6160c1532de3
https://doi.org/10.1023/a:1007519703684
https://doi.org/10.1023/a:1007519703684