نتایج جستجو برای: precipitation deficit
تعداد نتایج: 122121 فیلتر نتایج به سال:
In final form 11 May 2004 ©2004 American Meteorological Society uring the summer of 2002, drought conditions persisted over India from mid-June to mid-July following a later-than-average arrival of seasonal monsoon rain. By the end of that summer, the average summer Indian rainfall totaled 711 mm or 19% below normal. With the exception of the area near the foothills of the Himalayas in the very...
Aim To investigate how ecosystem water-use efficiency (WUE) varies spatially under different climate conditions, and how spatial variations in WUE differ from those of transpiration-based water-use efficiency (WUEt) and transpiration-based inherent water-use efficiency (IWUEt). Location Global terrestrial ecosystems. Methods We investigated spatial patterns of WUE using two datasets of gross pr...
Understanding how biotic mechanisms confer stability in variable environments is a fundamental quest in ecology, and one that is becoming increasingly urgent with global change. Several mechanisms, notably a portfolio effect associated with species richness, compensatory dynamics generated by negative species covariance and selection for stable dominant species populations can increase the stab...
The Yarlung Zangbo River basin is an important alley to transport moisture from the Indian Ocean to the inner Tibetan Plateau. With a wide range of elevations from 147 m to over 7000 m above sea level (a.s.l.), ecosystems respond differently to climate change at various elevations. However, the pattern of elevation-dependent vegetation change and how it responds to recent warming have been rare...
Projected changes in the frequency and severity of droughts as a result of increase in greenhouse gases have a significant impact on the role of vegetation in regulating the global carbon cycle. Drought effect on vegetation Gross Primary Production (GPP) is usually modeled as a function of Vapor Pressure Deficit (VPD) and/or soil moisture. Climate projections suggest a strong likelihood of incr...
Successful management of forest systems requires a deeper understanding of the role of ecophysiological traits in enabling adaptation to high temperature and water deficit under current and anticipated changes in climate. A key attribute of leaf water relations is the water potential at zero turgor (πtlp), because it defines the operating water potentials over which plants actively control grow...
چکیده ندارد.
The effect of desert dust on cloud properties and precipitation has so far been studied solely by using theoretical models, which predict that rainfall would be enhanced. Here we present observations showing the contrary; the effect of dust on cloud properties is to inhibit precipitation. Using satellite and aircraft observations we show that clouds forming within desert dust contain small drop...
*National Institute of Information and Communications Technology, Tokyo, Japan +Meteorological Research Institute, Ibaraki, Japan #Hokkaido Tokai University, Hokkaido, Japan @Tokyo Metropolitan Institute of Technology, Tokyo, Japan &Osaka Prefecture University, Osaka, JAPAN **Japan Aerospace Exploration Agency, Tokyo, Japan ++Shimane University, Shimane, Japan ##Center for Climate System Resear...
Abstract Thornthwaite climate classification indices are essential to interpret types in the state of pantanal biome (Mato Grosso do Sul), simplifying calculation process and interpretation climatological water balance by farmers. However, there few studies found literature that characterize pantanel different climatic scenarios. We seek assess change using humidity index biome. used historical...
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