Results 51 to 60 of about 107,108 (274)

Validity of the Landsat surface reflectance archive for aquatic science: Implications for cloud‐based analysis

Limnology and Oceanography Letters, 2023
Originally developed for terrestrial science and applications, the US Geological Survey Landsat surface reflectance (SR) archive spanning ~ 40 yr of observations has been increasingly utilized in large‐scale water‐quality studies. These products, however,
Daniel Andrade Maciel, Nima Pahlevan, Claudio Clemente Faria Barbosa, Evlyn Márcia Leão de Moraes deNovo, Rejane Souza Paulino, Vitor Souza Martins, Eric Vermote, Christopher J. Crawford   +7 more
doaj   +1 more source

Impacts of Social Assistance During the COVID‐19 Pandemic in Poor Remote Communities

Journal of International Development, EarlyView.
ABSTRACT Providing social assistance to poor populations in remote communities in times of crises, such as pandemics, is challenging but crucial. This paper examines how food assistance during the COVID‐19 pandemic affected people's behaviour, using our surveys among over 400 rural communities without road access in the Peruvian Amazon. Food assistance
Yoshito Takasaki, Oliver T. Coomes, Christian Abizaid   +2 more
wiley   +1 more source

Diurnal Air–Surface Temperature Dynamics in Hong Kong: An Analysis Across Land Use and Climate Zones

International Journal of Climatology, EarlyView.
Daytime and nighttime air temperature (Ta) from automatic weather stations and land surface temperature (Ts) derived from ASTER and Landsat 8–9 are used to examine the relationship between Ta and Ts. The spatial and statistical characteristics of Ta − Ts dynamics are further analysed across land use (LU) and local climate zones (LCZ).
Ibrahim Ademola Adeniran, Majid Nazeer, Man Sing Wong, Jinxin Yang, Pak‐Wai Chan   +4 more
wiley   +1 more source

Spatiotemporal Evolution of Hydroclimatic Variables in the Brazilian Semi‐Arid Region Through the Aridity Index and Susceptibility to Desertification

International Journal of Climatology, EarlyView.
Over the past 60 years, noticeable changes have been observed in the main hydroclimatological variables, driven by both natural and anthropogenic factors. In the context of climate change, such behaviour may adversely affect the state's economic activities, as well as increase the recurrence of extreme events in the region.
Ronaldo Guilherme Santos Lima, Izaias Rodrigues de Souza Neto, André Quintão de Almeida, Vania Elisabete Schneider, Ludmilson Abritta Mendes   +4 more
wiley   +1 more source

Moose indifferent to canopy loss from forest disturbance by bark beetles

The Journal of Wildlife Management, EarlyView.
Moose showed strikingly similar patterns of habitat selection before and after widespread forest disturbance following an infestation of bark beetles. Our findings indicate that beetle‐kill does not appreciably alter habitat quality for moose and highlight the importance of riparian areas in sustaining moose as they contend with changing forests ...
Alexander B. May, Rebecca L. Levine, Lee Knox, Corey Class, Matthew J. Kauffman, Kevin L. Monteith   +5 more
wiley   +1 more source

Water Body Distributions Across Scales: A Remote Sensing Based Comparison of Three Arctic Tundra Wetlands [PDF]

, 2013
Water bodies are ubiquitous features in Arctic wetlands. Ponds, i.e., waters with a surface area smaller than 104 m2, have been recognized as hotspots of biological activity and greenhouse gas emissions but are not well inventoried.
Abnizova, Anna, Boike, Julia, Heim, Birgit, Muster, Sina   +3 more
core   +2 more sources

Desertification Risk: Bibliometric Analysis and Future Research Directions

Land Degradation &Development, EarlyView.
ABSTRACT Desertification, driven by climatic and anthropogenic factors, is one of the most pressing global environmental challenges, causing significant economic, ecological, and social consequences. A bibliometric analysis was performed to identify research trends and gaps in the desertification risk topic.
Fatima‐Ezzahrae Imam, Daniela Smiraglia, Antonio Pulina, Francesca Assennato, Elisabetta Raparelli, Giovanna Seddaiu   +5 more
wiley   +1 more source

Object-Based Greenhouse Mapping Using Very High Resolution Satellite Data and Landsat 8 Time Series [PDF]

, 2016
Greenhouse mapping through remote sensing has received extensive attention over the last decades. In this article, the innovative goal relies on mapping greenhouses through the combined use of very high resolution satellite data (WorldView-2) and Landsat
Aguilar Torres, Fernando José, Aguilar Torres, Manuel, García Lorca, Andrés Miguel, Nemmaoui, Abderrahim, Novelli, Antonio   +4 more
core   +5 more sources

Coupling Water Purification and Carbon Sequestration at Various Spatial Scales From Supply and Demand Perspective

Land Degradation &Development, EarlyView.
ABSTRACT Balancing ecosystem‐service supply and demand is central to understanding both the natural and social dimensions of ecosystem services and to enhancing human well‐beings. Concurrently, collaborative efforts are underway to improve multiple ecosystem services, including the promotion of carbon neutrality and water purification (WP) within basin
Jing Cheng, Mingyang Ding, Zhenya Zhu, Xinping Luo, Xin Huang, Chunbo Huang   +5 more
wiley   +1 more source

Quantifying Changes in the Land Over Time: A Landsat Classroom Activity [PDF]

, 2006
Students in grades 7-10 analyze land cover change in order to help them grasp the extent, significance, and consequences of land cover change; and to introduce them to the perspective of space-based observations.
NASA GSFC
core