Trends, turning points, and driving forces of desertification in …
2024年6月18日 · Desertification is a form of land degradation observed in arid, semiarid, and dry subhumid ecosystems. Assessing the global trends and drivers of desertification in arid land is crucial for developing effective land restoration policies and mitigating desertification.
Transforming desertification patterns in Asia: Evaluating trends ...
2024年4月1日 · To help address this problem, this study clarifies the transformation trends and characteristics of desertification types across Asia and discusses key areas for desertification prevention and control.
Anthropogenic climate change has driven over 5 million km
2020年7月31日 · Here, we perform the first observation-based attribution study of desertification that accounts for climate change, climate variability, CO 2 fertilization as well as both the gradual and rapid...
Unprecedented drought emergency demands urgent action
2023年12月1日 · In southwestern Ethiopia, drought worsened by climate change is threatening crops and livestock, pushing the population to the brink. A new report by the UN team combatting desertification...
Desertification — Special Report on Climate Change and Land
Desertification is land degradation in arid, semi-arid, and dry sub-humid areas, collectively known as drylands, resulting from many factors, including human activities and climatic variations. The range and intensity of desertification have increased in some dryland areas over the past several decades (high confidence). Drylands currently ...
Central Asia's desertification challenge: Recent trends and drives ...
2024年7月1日 · We constructed a comprehensive land desertification status index (LDSI) to assess desertification and its driving mechanisms in Central Asia from 2001 to 2020. Our spatial distance models and principal component analysis were verified by combined field data.
Projections of desertification trends in Central Asia under …
2021年8月10日 · Desertification can be well predicted by coupling regression and CA-Markov methods. Central Asia (CA) is a core area of global desertification, but the effect of the intensifying “global greening” policy on the desertification process under global warming scenarios in CA remains unclear.
25 Desertification exacerbates climate change through several mechanisms such as changes in 26 vegetation cover, surface albedo, sand and dust aerosols and greenhouse gases fluxes (high 27 confidence). Through its effect on vegetation and …
Spatiotemporal dynamic evolution and driving factors of desertification ...
2020年12月10日 · Using an ENVI 5.3 and ArcGIS 10.3 platform an analysis was conducted of the dynamic changes nearly 30 years in desertified land using a center of gravity moving model, annual change rate, a...
Swathes of Earth are turning into desert — but the ... - Nature
2023年11月21日 · Between 2015 and 2019, the world lost at least 100 million hectares of healthy and productive land a year, according to an analysis for the United Nations Convention to Combat Desertification...