Results 111 to 120 of about 13,249 (244)

A Land Cover Map of Africa. Carte de l'Occupation du Sol de l'Afrique. [PDF]

, 2003
not availableJRC.H-Institute for environment and sustainability ...
BARTHOLOME Etienne marie claude, BELWARD Alan steven, CABRAL Ana, CHERLET Michael, DE GRANDI Gianfranco, DEFOURNY Pierre, DI GREGORIO A., DIALLO O., ELVIDGE C., EVA Hugh douglas, FRITZ S., MASSART M., MAYAUX Philippe, NONGUIERMA Andre, PEKEL J.-f., PRETORIUS C., THOMPSON M., VAN CUTSEM Christelle, VASCONCELOS M., VOGT Peter   +19 more
core  

Measurement and modeling of diffuse ultraviolet radiation: A review

Photochemistry and Photobiology, EarlyView.
Solar UV radiation consists of direct and diffuse UV components. The diffuse component contributes to the exposure received by humans and to the risk of skin cancer and sun‐related eye disorders. This review aims to determine future research directions for the measurement and modeling of diffuse solar UV radiation.
Alfio V. Parisi, Joanna Turner, Abdurazaq Amar, Damien P. Igoe, Peter Schouten, Nawin Raj, Nathan Downs, Harry Butler   +7 more
wiley   +1 more source

L'évaporation des nappes d'eau libre : l'exemple du Lac de Bam au Burkina Faso : 2e partie. Echelles journalières et infrajournalières [PDF]

, 1987
Cette deuxième partie présente une approche plus fine de l'évaporation d'une nappe d'eau libre menée ponctuellement grâce à un "évapotron", décrit dans le premier paragraphe.
Pouyaud, Bernard
core  

Spectral characterization of three wearable electronic ultraviolet radiation dosimeters

Photochemistry and Photobiology, EarlyView.
Excessive exposure to ultraviolet radiation poses significant public health risks, including DNA damage and skin‐related pathologies. Wearable electronic UV dosimeters enable accurate studies and quantification of solar UV‐radiation exposure on an individual level. Due to variations in the spectral distribution of solar radiation, the spectral mismatch
Leevi August, Gregor Hülsen, Juha Peltoniemi, Petri Kärhä, Erkki Ikonen   +4 more
wiley   +1 more source

Suivi des ressources en eau par télédétection multi-capteur: désagrégation de données spatiales et modélisation descendante des processus hydrologiques [PDF]

, 2016
Certaines variables extraites par télédétection sont potentiellement très utiles en hydrologie. C'est le cas de l'humidité du sol en surface qui contrôle la partition des précipitations en évaporation du sol, infiltration et ruissellement de surface.
Merlin, Olivier
core   +2 more sources

A climate‐sensitive tropical urbanism under extreme heat†

Singapore Journal of Tropical Geography, EarlyView.
Tropical urban dwellers face twin climate challenges that impinge on their quality of life: climate overheating and the urban heat island (UHI). The latter superimposed on the former to lead to high levels of thermal discomfort, carbon and energy consequences.
Rohinton Emmanuel
wiley   +1 more source

Le rôle du couvert ligneux sur le bilan hydrique d'une steppe (nord du Sénégal) [PDF]

, 1992
L'évapotranspiration de deux bosquets de ligneux (Acacia tortilis et Balanites aegyptiaca possédant leur strate herbacée) et d'une zone herbacée hors couvert de la steppe sahélienne (Ferlo sénégalais) a été étudiée de 1989 à 1992.
Fournier, Christophe, Morand, Dominique, Nizinski, Georges   +2 more
core  

Observation spatiale pour l'agriculture en Afrique: potentiels et défis [PDF]

, 2016
Ce rapport a pour objectif de faire un état des lieux des usages des technologies satellitaires dans le développement et l'analyse des agricultures africaines, afin de mieux cerner les difficultés actuelles, identifier les contraintes sur lesquelles la ...
Bégué, Agnès, Charrier, Bertrand (ed.), Leroux, Louise, Lo Seen, Danny, Morant, Philippe, Tonneau, Jean-Philippe, Torre, Claude (ed.)   +6 more
core  

Climate Controls on Carbon Dioxide Fluxes in a High‐Elevation Grassland

Global Change Biology Communications, Volume 1, Issue 2, June 2026.
Climate change is significantly influencing high‐elevation grasslands, possibly unbalancing CO2 exchanges and the sink‐source dynamics. Cumulated heat available for plant growth and vegetation cover were identified as the main controllers of phenological development and, via direct or mediated effects, of CO2 fluxes (ER and GPP).
Silvio Marta, Marta Magnani, Gianna Vivaldo, Andrea Mainetti, Ilaria Baneschi, Alice Baronetti, Simona Gennaro, Mariasilvia Giamberini, Simone Ravetto Enri, Michele Lonati, Brunella Raco, Antonello Provenzale   +11 more
wiley   +1 more source

The Baltimore Community Weather Station Network: Filling the Urban Measurement Desert

Community Science, Volume 5, Issue 2, June 2026.
Abstract Quantification and understanding of how heat, rainfall, and air quality vary within cities are needed to identify the area with the worst conditions, develop solutions to extreme weather, and assess the impact of proposed policies. However, neighborhood‐level variability is not well quantified because there are few environmental measurement ...
Darryn W. Waugh, Peyton Ruth Smith, Sophia Baleeiro, Miriam Avins, Michael Bader, Shamara Collins, Gary Dittman, Eliott Foust, Karma Francis, Richard Francis, Monica French, Cynthia Gross, Isabel Horst, Sarah M. Hörst, Terris King, Ballington Kinlock, Samia Kirchner, Lei Hao, Mac McComas, Tiara Matthews, Doris Minor‐Terrel, Derrick Mirindi, Mark‐Anthony Montgomery, Beth Myers‐Edwards, Benjamin A. Nault, Matt T. Oberdier, Katie O'Meara, Gabriel Pickus, Ava Richardson, Kim Truheart, Brenda White, Benjamin F. Zaitchik   +31 more
wiley   +1 more source