نتایج جستجو برای: arid regions
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Drought is one of the most costly natural hazards and is more dangerous in arid and semiarid regions which suffer from limited water resources. Climate change can also affect drought intensity; therefore, it is essential to analyze the trends of drought, particularly in these regions. This study surveyed the trends of meteorological and agricultural drought in hyper-arid, arid and semiarid regi...
the arid zone encompasses land that has an imbalance between precipitation and losses through evaporation. globally, arid zones comprise large part of many countries in the mid-latitudes in both the northern and the southern hemispheres. both australia and iran are countries with a large arid zone. this negative water balance in the arid zone affects the type of land use in these countries. at ...
Changes in atmospheric aerosols have profound effects on ecosystem productivity, vegetation growth and activity by directly indirectly influencing climate environment conditions. However, few studies focused the of vulnerable arid semi-arid regions, which are also source areas aerosols. Using datasets aerosol optical depth (AOD), normalized difference index (NDVI) multiple climatic variables in...
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