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drought
drought, drouth (draʊt, draʊθ, Sc. druːθ) Forms: α. 1 dr{uacu}ᵹað, -oð, 3 (Orm.) druhhþe, 4 druȝþe, drouhþe, droȝþe, 5 droughþe, drouȝth, 6–8 drougth, 7–8 droughth; 4–7 drouthe, 5 drowþe, 5–8 drowth, (6 droutht), 4– drouth (now dial. or arch). β. 3–4 druȝt(e, 4 droȝt(e, drohut, 4–5 drouȝt(e, 4–6 dro...
Oxford English Dictionary
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Drought | USDA
Drought affects nearly every facet of USDA, reducing water quality, quantity and devastating the communities, farmers and ranchers we serve and the resources we protect. USDA works across government, non-profit and private sectors to track drought conditions and deliver science-based solutions and technical expertise to help farmers, ranchers, private landowners, and other land managers ...
www.usda.gov
drought
drought/draut; draʊt/ n[C, U](period of) continuous dry weather, esp when there is not enough water for people's needs 乾旱（时期） areas of Africa affected by drought 遭受旱灾的非洲地区.
牛津英汉双解词典
prophetes.ai
Physiological response to drought stress and drought resistance ...
Rhododendron has poor drought resistance, which limits its use in gardens of arid areas in North China. Therefore, study on the drought resistance of Rhododendron could provide a
zlxb.zafu.edu.cn
Geometric or Poisson Drought length is referred to as the number of consecutive time intervals in which the water supply remains below a critical value. Consider the drought length as a random variable, denoted as $Y$...
The geometric distribution is defined as $$P(Y=k)=p(1-p)^{k-1},\quad k\geq 1$$ Equivalently: $$P(Y>k)=(1-p)^k$$ The first question just asks $P(Y=3)$, and the second question asks $P(Y\leq 3)$, which we can write $1-P(Y>3)$.
prophetes.ai
drought | Definition | Mandarin Chinese Pinyin English Dictionary ...
dà hàn wàng yún ní. lit. looking for rain clouds in times of drought (idiom) fig. desperate for an escape from a difficult situation. 旱 涝 保 收 Trad. 旱 澇 保 收. hàn lào bǎo shōu. to provide a stable crop, regardless of drought or flood to bring a stable income.
chinese.yabla.com
Spatial and Temporal Distribution Characteristics of Drought in ...
PDF | On Jan 1, 2019, 飞扬 毛 published Spatial and Temporal Distribution Characteristics of Drought in Southwest China in 56a Based on Daily MCI | Find, read and cite all the research you need ...
www.researchgate.net
Temporal and spatial patterns of climate drought-wet and drought event ...
The main results of this study suggest that SPI characteristics at different time scale lead to SPI values were substantial sensitive to precipitation changes, and a smaller time scale resulted in a more sensitive response to one precipitation event. Shiyang River Basin is located in the northwest China, and it is a typical fragile ecosystem area. This region is extremely sensitive to climatic ...
www.semanticscholar.org
Effects and Sensitivity of Progressive Drought on Photosynthetic ...
May 5, 2022Objective To investigate the response of photosynthetic system of leaves in Quercus liaotungensis seedlings under progressive drought and select drought sensitive indicators. Method Based on the progressive drought stress method in pots, we performed variance analysis (ANOVA) and LOESS nonlinear fit on leaf droop angle, chlorophyll fluorescence, and photosynthesis of 2-year-old Q ...
lykxyj.xml-journal.net
lykxyj.xml-journal.net
Home | Vegetation Drought Response Index (VegDRI)
About VegDRI. The Vegetation Drought Response Index, or VegDRI, is a weekly depiction of vegetation stress across the contiguous United States. Development of the VegDRI map and associated products is a joint effort by the National Drought Mitigation Center (NDMC), the U.S. Geological Survey's National Center for Earth Resources Observation and Science (EROS), and the High Plains Regional ...
vegdri.unl.edu
vegdri.unl.edu
A study of the mechanism of drought stress alleviation by exogenous ...
Abstract: Reaumuria soongorica is an important and extremely drought-resistant tree species found in arid and semi-arid desert ecosystems in the Northwest of China.R. soongorica plays an important role in maintaining the stability of plant communities in semi-desert environments. In recent years， because of frequent occurrence of extreme drought conditions， R. soongorica desert plant ...
cyxb.magtech.com.cn
cyxb.magtech.com.cn
Spatiotemporal variations of multi-scale drought in ... - IWA Publishing
Shandong Province is located on the east coast of China, in a temperate zone that experiences a strong continental climate. The seasonal differences in precipitation and temperature during the year are very large, exhibiting significant regionalism, diversity, and instability (Jiang et al. 2020).At the same time, due to climate warming and the impact of human activities, the risk of natural ...
iwaponline.com
Analysis on the Characteristics of Spring Drought in Sichuan Basin ...
Based on the daily precipitation data of 101 weather stations in Sichuan Basin from 1961 to 2016 integrated meteorological drought index (CI) , and using climate tendency rate, empirical orthogonal function (EOF) and wavelet decomposition method analysis of climatic statistical diagnosis methods, the spatial and temporal variations of intensity of spring drought and the spring drought days are ...
www.gysdqxyj.cn
www.gysdqxyj.cn
Severe drought and mandatory water cuts are pitting communities ... - CNN
Mar 30, 2022The scarcity of water in the state is pitting small towns against fast-growing metropolitan communities. Queen Creek's utility director, Paul Gardner, says the community has a 100-year supply of ...
www.cnn.com
What is the USDM? | U.S. Drought Monitor
The U.S. Drought Monitor (USDM) is a map released every Thursday, showing where drought is and how bad it is across the U.S. and its territories. The map uses six classifications: normal conditions, abnormally dry (D0), showing areas that may be going into or are coming out of drought, and four levels of drought: moderate (D1), severe (D2 ...
droughtmonitor.unl.edu