نتایج جستجو برای: droughts
تعداد نتایج: 12187 فیلتر نتایج به سال:
A large and highly dynamic aquatic system called Paratethys governed important elements of the middle late Miocene (15.97–5.33 Ma) hydrology in western Eurasia. So far, impact vast water body on Eurasian climate, however, is not yet understood. Here we apply biomarker analyses coupled to compound-specific hydrogen carbon isotope data track changes sea surface temperature, mean annual air hydrol...
Climate change in Africa is expected to lead to a higher occurrence of severe droughts in semi-arid and arid ecosystems. Understanding how animal populations react to such events is thus crucial for addressing future challenges for wildlife management and conservation. We explored how gender, age, mother's experience and family group characteristics determined calf survival in an elephant popul...
Extreme climatic events (ECEs) such as droughts and heat waves are predicted to increase in intensity and frequency and impact the terrestrial carbon balance. However, we lack direct experimental evidence of how the net carbon uptake of ecosystems is affected by ECEs under future elevated atmospheric CO2 concentrations (eCO2). Taking advantage of an advanced controlled environment facility for ...
The devastating North China drought in the summer of 2015 was roughly captured by a dynamical seasonal climate forecast model with a good prediction of the 2015/16 big El Niño. This raises a question of whether strong El Niños imply higher predictability of extreme droughts. Here we show that a strong El Niño does not necessarily result in an extreme drought, but it depends on whether the El Ni...
From 1884 onwards, Britain experienced a series of major droughts, which reached their peak in the 'Long Drought' (1890-1909). Despite being imagined as a wet part of the world, rural Wales was hard hit as many communities did not have access to reliable water supplies. As medical officers of health and newspapers talked about water famines, alarm focused on questions of purity and disease as d...
Drought is universally acknowledged as a phenomenon associated with scarcity of water. The Standardized Precipitation Index (SPI) expresses the actual rainfall as standardized departure from rainfall probability distribution function. In this study severity and spatial pattern of meteorological drought was analyzed in the Puruliya District, West Bengal, India using multi-temporal SPI. Daily gri...
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