搜索结果: 1-15 共查到“国际动态 drought”相关记录42条 . 查询时间(0.028 秒)
The collapse of the Hittite Empire in the Late Bronze Age has been blamed on various factors, from war with other territories to internal strife. Now, an interdisciplinary collaboration used tree ring...
Songbirds reduce reproduction to help survive drought（图）
Songbirds reduce reproduction survive drought
2020/9/4
With climate change heating the globe, drought more frequently impacts the reproduction and survival of many animal species.New U.S. National Science Foundation-funded research by University...
New software tool to model the economic and environmental impacts of California drought（图）
New software tool model economic environmental impacts California drought
2020/7/10
Drought may mean restrictions for watering lawns, crop losses for farmers and an increased risk of wildfires. But it can also hit power companies in the wallet.In communities that rely on water for po...
Does limited underground water storage make plants less susceptible to drought?（图）
limited underground water storage plants less susceptible drought
2019/10/23
You might expect that plants hoping to thrive in California's boom-or-bust rain cycle would choose to set down roots in a place that can store lots of water underground to last through drought years.B...
Enlisting Robotics To Study Drought-Tolerant Corn（图）
Enlisting Robotics Drought-Tolerant Corn
2018/2/1
Developing drought-tolerant corn that makes efficient use of available water will be vital to sustain the estimated 9 billion global population by 2050.University of Missouri researchers have develope...
New monitoring technology helps farmers in drought-stricken areas better manage crops（图）
New monitoring technology farmers drought-stricken areas manage crops
2017/10/25
In the Western United States, NSF-funded researchers deployed a unique set of instruments, called the Internet of Trees Micrometeorological System, to monitor how trees respond to repeated droughts at...
Drought-stricken areas anxiously await the arrival of rain. Full recovery of the ecosystem, however, can extend long past the first rain drops on thirsty ground.According to a study published August 1...
Researchers Successfully Predict Multi-Year U.S. Drought and Fire Conditions（图）
Researchers Multi-Year U.S. Drought Fire
2017/9/1
The next mega-droughts and subsequent active wildfire seasons for the western U.S. might be predictable a full year in advance, extending well beyond the current seasonal forecast and helping segments...
In a drought,over-irrigated lawns lose 70 billion gallons of water a year
In a drought over-irrigated lawns lose 70 billion gallons water a year
2017/7/20
In the summer of 2010, Los Angeles lost about 100 gallons of water per person per day to the atmosphere through evaporation, mostly from overwatering of lawns and trees.Lawns accounted for 70 percent ...
Drought identified as key to severity of West Nile virus epidemics
Drought identifiedy West Nile virus epidemics
2017/2/16
A study led by UC Santa Cruz researchers has found that drought dramatically increases the severity of West Nile virus epidemics in the United States, although populations affected by large outbreaks ...
How Much Drought Can a Forest Take?
Drought Forest
2017/2/16
Why do some trees die in a drought and others don’t? And how can we predict where trees are most likely to die in future droughts?Scientists from the University of California, Davis, and colleagues ex...
IU study:During drought,dry air can stress plants more than dry soil
IU study drought dry air stress plants dry soil
2016/9/12
Newly published research by Indiana University scientists finds that low relative humidity in the atmosphere is a significant, growing and often under-appreciated cause of plant stress in hot, dry wea...
The unexpected:Cold snaps in the sub-tropics,drought in rainforests featured at upcoming ecology conference
Cold snaps in the sub-tropics drought rainforests featured ecology conference
2016/7/15
Cold snaps in sub-tropical ecosystems, life under cities in soils, drought in rainforests, and desertification in grasslands are among the topics featured at the 2016 meeting of the Ecological Society...
Drought left 225 million trees dead in the U.S. Southwest in 2002. Nine years later, it killed 300 million trees in Texas. This past year, 12 million trees died in California.Drought left 225 million ...
Measuring drought impact in more than dollars and cents
Measuring drought more than dollars and cents
2016/4/25
The standard way to measure the impact of drought is by its economic effect. Last year, for example, the severity California’s four-year drought was broadly characterized by an estimate that it would ...