نتایج جستجو برای: drought events

تعداد نتایج: 350639  

Journal: :Remote Sensing 2016
Hui Luo Tao Zhou Hao Wu Xiang Zhao Qianfeng Wang Shan Gao Zheng Li

In recent decades, the area and proportion of planted forests have increased; thus, understanding the responses of planted and natural forests to drought are crucial because it forms the basis for forest risk assessments and management strategies. In this study, we combined the moderate-resolution imaging spectroradiometer (MODIS) enhanced vegetation index (EVI), meteorological aridity indices,...

Journal: :Meteorology and Atmospheric Physics 2022

Increased frequencies and intensities of extreme weather events have negatively impacted climate-sensitive socio-economic sectors in Kenya larger Equatorial East Africa (EEA). Madden–Julian oscillation (MJO) influence intra-seasonal variability over although less attention has been given to its effect on such as droughts floods, which increased frequency intensity. Outgoing Longwave Radiation (...

2015
Amir AghaKouchak Linyin Cheng Omid Mazdiyasni Alireza Farahmand

Global warming and the associated rise in extreme temperatures substantially increase the chance of concurrent droughts and heat waves. The 2014 California drought is an archetype of an event characterized by not only low precipitation but also extreme high temperatures. From the raging wildfires, to record low storage levels and snowpack conditions, the impacts of this event can be felt throug...

2017
Shuang Qiu Wen Zhou Marco Yu-Ting Leung Xiuzhen Li

In this study, long-term (1961–2011) variations in the moisture budget and drought/flood events in six subregions of China are analyzed. Water vapor is mainly transported zonally during winter, while meridional transport is much stronger during summer. During winter, both the input moisture from the western boundary and the output moisture from the eastern boundary are slightly weakened; thus, ...

Journal: :Philosophical Transactions of the Royal Society B: Biological Sciences 2008
Eduardo S Brondizio Emilio F Moran

This paper argues for a twofold perspective on human adaptation to climate change in the Amazon. First, we need to understand the processes that mediate perceptions of environmental change and the behavioural responses at the levels of the individual and the local population. Second, we should take into account the process of production and dissemination of global and national climate informati...

Journal: :Revista Brasileira de Engenharia Agrícola e Ambiental 2020

2004
Dustin G. KOZAL Matt G. CULVER Sherri K. HARMS

Examining relationships in spatio-temporal data has lead to the construction of a decision support system specializing in data-mining. Several steps are taken with the system architecture to ensure a robust, easy to use online interface in a distributed environment, including the implementation of developing technologies and effective knowledge discovery algorithms. Drought risk management is t...

2015
Jin-Ho Yoon S-Y Simon Wang Robert R Gillies Ben Kravitz Lawrence Hipps Philip J Rasch

Since the winter of 2013-2014, California has experienced its most severe drought in recorded history, causing statewide water stress, severe economic loss and an extraordinary increase in wildfires. Identifying the effects of global warming on regional water cycle extremes, such as the ongoing drought in California, remains a challenge. Here we analyse large-ensemble and multi-model simulation...

Journal: :Idojaras 2023

Among the different forms of agricultural damage in Hungary, drought poses a remarkably high risk according to reported events, area affected, and level mitigation payments. This study explores based on 2018–2020 data Hungarian Agricultural Risk Management System. Owing eligibility criteria, slightly more than half members scheme who received payments, but for them, value compensation significa...

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