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The past and future of global river ice 期刊论文
NATURE, 2020, 577 (7788) : 69-+
作者:  Yang, Xiao;  Pavelsky, Tamlin M.;  Allen, George H.
收藏  |  浏览/下载：7/0  |  提交时间：2020/05/13

More than one-third of Earth'  s landmass is drained by rivers that seasonally freeze over. Ice transforms the hydrologic(1,2), ecologic(3,4), climatic(5) and socio-economic(6-8) functions of river corridors. Although river ice extent has been shown to be declining in many regions of the world(1), the seasonality, historical change and predicted future changes in river ice extent and duration have not yet been quantified globally. Previous studies of river ice, which suggested that declines in extent and duration could be attributed to warming temperatures(9,10), were based on data from sparse locations. Furthermore, existing projections of future ice extent are based solely on the location of the 0-degrees C isotherm11. Here, using satellite observations, we show that the global extent of river ice is declining, and we project a mean decrease in seasonal ice duration of 6.10 +/- 0.08 days per 1-degrees C increase in global mean surface air temperature. We tracked the extent of river ice using over 400,000 clear-sky Landsat images spanning 1984-2018 and observed a mean decline of 2.5 percentage points globally in the past three decades. To project future changes in river ice extent, we developed an observationally calibrated and validated model, based on temperature and season, which reduced the mean bias by 87 per cent compared with the 0-degree-Celsius isotherm approach. We applied this model to future climate projections for 2080-2100: compared with 2009-2029, the average river ice duration declines by 16.7 days under Representative Concentration Pathway (RCP) 8.5, whereas under RCP 4.5 it declines on average by 7.3 days. Our results show that, globally, river ice is measurably declining and will continue to decline linearly with projected increases in surface air temperature towards the end of this century.


  
Validation of the climatic zoning defined by ASHRAE standard 169-2013 期刊论文
ENERGY POLICY, 2019, 135
作者:  Walsh, Angelica;  Costola, Daniel;  Labaki, Lucila Chebel
收藏  |  浏览/下载：6/0  |  提交时间：2020/02/17
Climatic zoning  Building energy performance  Degree-days  
Biologically-Relevant Trends in Springtime Temperatures Across the United States 期刊论文
GEOPHYSICAL RESEARCH LETTERS, 2019
作者:  Crimmins, Theresa M.;  Crimmins, Michael A.
收藏  |  浏览/下载：6/0  |  提交时间：2019/11/27
growing degree days  thresholds  spring season  phenology  trends  
Contrasting resistance and resilience to extreme drought and late spring frost in five major European tree species 期刊论文
GLOBAL CHANGE BIOLOGY, 2019, 25 (11) : 3781-3792
作者:  Vitasse, Yann;  Bottero, Alessandra;  Cailleret, Maxime;  Bigler, Christof;  Fonti, Patrick;  Gessler, Arthur;  Levesque, Mathieu;  Rohner, Brigitte;  Weber, Pascale;  Rigling, Andreas;  Wohlgemuth, Thomas
收藏  |  浏览/下载：16/0  |  提交时间：2019/11/27
climate warming  climatic water balance  dendrochronology  extreme climatic events  frost risk  growing degree-days  tree phenology  tree-ring width  
Climate-driven changes in CO2 emissions associated with residential heating and cooling demand by end-century in China 期刊论文
ENVIRONMENTAL RESEARCH LETTERS, 2019, 14 (8)
作者:  Zhang, Nan;  Zhou, Yuntao
收藏  |  浏览/下载：5/0  |  提交时间：2019/11/27
climate change  cooling degree-days  heating degree-days  carbon dioxide emissions  energy demand  
Shift in seasonal climate patterns likely to impact residential energy consumption in the United States 期刊论文
ENVIRONMENTAL RESEARCH LETTERS, 2019, 14 (7)
作者:  Rastogi, Deeksha;  Holladay, James Scott;  Evans, Katherine J.;  Preston, Ben L.;  Ashfaq, Moetasim
收藏  |  浏览/下载：4/0  |  提交时间：2019/11/27
energy demand  regional climate change  degree days  
Divergent responses of thermal growing degree-days and season to projected warming over China 期刊论文
INTERNATIONAL JOURNAL OF CLIMATOLOGY, 2018, 38 (15) : 5605-5618
作者:  Deng, Haoyu;  Yin, Yunhe;  Wu, Shaohong
收藏  |  浏览/下载：7/0  |  提交时间：2019/04/09
China  climate change  growing season  temperature sensitivity  thermal growing degree-days  
Influence of winter precipitation on spring phenology in boreal forests 期刊论文
GLOBAL CHANGE BIOLOGY, 2018, 24 (11) : 5176-5187
作者:  Yun, Jeongmin;  Jeong, Su-Jong;  Ho, Chang-Hoi;  Park, Chang-Eui;  Park, Hoonyoung;  Kim, Jinwon
收藏  |  浏览/下载：11/0  |  提交时间：2019/04/09
boreal forests  CLM4.5  GIMMS LAI  growing degree-days  interannual variability  spring phenology  winter precipitation  
Projected changes in future climate over the Midwest and Great Lakes region using downscaled CMIP5 ensembles 期刊论文
INTERNATIONAL JOURNAL OF CLIMATOLOGY, 2018, 38: E531-E553
作者:  Byun, Kyuhyun;  Hamlet, Alan F.
收藏  |  浏览/下载：9/0  |  提交时间：2019/04/09
CMIP5 GCM  climate change  Midwest and Great Lakes  statistical downscaling  Hybrid Delta  extreme precipitation and temperature  water stress  heating and cooling degree days  
Changes of heating and cooling degree-days in Europe from 1981 to 2100 期刊论文
INTERNATIONAL JOURNAL OF CLIMATOLOGY, 2018, 38: E191-E208
作者:  Spinoni, Jonathan;  Vogt, Jurgen V.;  Barbosa, Paulo;  Dosio, Alessandro;  McCormick, Niall;  Bigano, Andrea;  Fussel, Hans-Martin
收藏  |  浏览/下载：7/0  |  提交时间：2019/04/09
climate change  degree-days  energy demand  Europe  CORDEX  population weighting