Search Results - "Frauenfeld, Oliver W"

Surface Air Temperature Changes over the Twentieth and Twenty-First Centuries in China Simulated by 20 CMIP5 Models by Chen, Liang, Frauenfeld, Oliver W.

“…Historical temperature variability over China during the twentieth century and projected changes under three emission scenarios for the twenty-first century…”
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Impacts of urbanization on future climate in China by Chen, Liang, Frauenfeld, Oliver W.

“…Urbanization plays an important role in human-induced climate change at the regional scale through altered land-atmosphere interactions over urban areas. In…”
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Performance and changes of high‐resolution (1 km) surface air temperature in Northern Hemisphere permafrost regions by Jin, Haodong, Peng, Xiaoqing, Frauenfeld, Oliver W., Zhao, Yaohua, Li, Xuanjia, Tian, Weiwei, Chen, Cong, Liang, Benben, Li, Xiaodong, Mu, Cuicui

“…Surface air temperatures are significant indicators of environmental and climatic change that affect a diverse set of physical systems including permafrost…”
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The contribution of changing surface thermodynamics on twentieth and twenty-first century air temperatures over Eurasian permafrost by Vecellio, Daniel J., Frauenfeld, Oliver W.

“…The high latitudes are a hotspot for past and future climate change as forced climate signals have begun to emerge from internal variability in recent decades…”
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Changes in the 1963-2013 shallow ground thermal regime in Russian permafrost regions by Streletskiy, Dmitry A, Sherstiukov, Artem B, Frauenfeld, Oliver W, Nelson, Frederick E

“…Spatial variability and temporal trends of the shallow ground thermal regime and permafrost active-layer thickness (ALT) were estimated over 1963-2013 using…”
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Observed Retrogressive Thaw Slump Evolution in the Qilian Mountains by Liu, Xingyun, Peng, Xiaoqing, Zhang, Yongyan, Frauenfeld, Oliver W., Wei, Gang, Chen, Guanqun, Huang, Yuan, Mu, Cuicui, Du, Jun

“…Climate warming can lead to permafrost degradation, potentially resulting in slope failures such as retrogressive thaw slumps (RTSs). The formation of and…”
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An observational 71-year history of seasonally frozen ground changes in the Eurasian high latitudes by Frauenfeld, Oliver W, Zhang, Tingjun

“…Abstract In recent decades, significant changes have occurred in high-latitude areas, particularly to the cryosphere. Sea ice extent and thickness have…”
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The thermal effect of snow cover on ground surface temperature in the Northern Hemisphere by Peng, Xiaoqing, Frauenfeld, Oliver W, Huang, Yuan, Chen, Guanqun, Wei, Gang, Li, Xuanjia, Tian, Weiwei, Yang, Guangshang, Zhao, Yaohua, Mu, Cuicui

“…Abstract Snow cover is critical to the ground thermal regime because it affects surface conditions and the energy balance. Prior work inherently included…”
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Evaluation of precipitation from the ERA-40, NCEP-1, and NCEP-2 Reanalyses and CMAP-1, CMAP-2, and GPCP-2 with ground-based measurements in China by Ma, Lijuan, Zhang, Tingjun, Frauenfeld, Oliver W., Ye, Baisheng, Yang, Daqing, Qin, Dahe

“…We assess the correspondence between precipitation products from atmospheric reanalyses (ERA‐40, NCEP‐1, and NCEP‐2), the Climate Prediction Center (CPC)…”
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Evaluation of ERA-40, NCEP-1, and NCEP-2 reanalysis air temperatures with ground-based measurements in China by Ma, Lijuan, Zhang, Tingjun, Li, Qingxiang, Frauenfeld, Oliver W., Qin, Dahe

“…We assess the correspondence of reanalysis air temperatures from ERA‐40, NCEP‐1, and NCEP‐2 with homogenized observational data from China for 1958–2001 and…”
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Assessment of Temperature Changes on the Tibetan Plateau During 1980–2018 by Peng, Xiaoqing, Frauenfeld, Oliver W., Jin, Haodong, Du, Ran, Qiao, Lina, Zhao, Yaohua, Mu, Cuicui, Zhang, Tingjun

“…Surface air temperatures affect a diverse set of physical and biological systems in many parts of the world. For regional‐scale studies, gridded surface air…”
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Impacts of land use-land cover change on climate and future research priorities by Mahmood, Rezaul, Pielke, Roger A. Sr, Hubbard, Kenneth G, Niyogi, Dev, Bonan, Gordon, Lawrence, Peter, McNider, Richard, McAlpine, Clive, Etter, Andres, Gameda, Samuel, Qian, Budong, Carleton, Andrew, Beltran-Przekurat, Adriana, Chase, Thomas, Quintanar, Arturo I, Adegoke, Jimmy O, Vezhapparambu, Sajith, Conner, Glen, Asefi, Salvi, Sertel, Elif, Legates, David R, Wu, Yuling, Hale, Robert, Frauenfeld, Oliver W, Watts, Anthony, Shepherd, Marshall, Mitra, Chandana, Anantharaj, Valentine G, Fall, Souleymane, Lund, Robert, Trevino, Anna, Blanken, Peter, Du, Jinyang

“…[...] we also need strategies that will help us to detect and overcome these biases and thus lead to an improved understanding of the role of land use forcing…”
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Northern Hemisphere freezing/thawing index variations over the twentieth century by Frauenfeld, Oliver W., Zhang, Tingjun, Mccreight, James L.

“…Changes in the ground thermal regime in high‐latitude cold regions have important consequences for surface and subsurface hydrology, the surface energy and…”
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Using InSAR for Surface Deformation Monitoring and Active Layer Thickness Retrieval in the Heihe River Basin on the Northeast Qinghai‐Tibet Plateau by Peng, Sijia, Peng, Xiaoqing, Frauenfeld, Oliver W., Yang, Guangshang, Tian, Weiwei, Tian, Jie, Ma, Jinhui

“…In cold regions characterized by perennially frozen soil, climate warming has caused permafrost degradation, which is manifested by surface deformation and…”
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A Holistic Assessment of 1979–2016 Global Cryospheric Extent by Peng, Xiaoqing, Zhang, Tingjun, Frauenfeld, Oliver W., Du, Ran, Jin, Haodong, Mu, Cuicui

“…The cryosphere plays a major role in earth's climate system. Most cryospheric assessments focus on one or more of its components and their response to climate…”
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Active Layer Thickness and Permafrost Area Projections for the 21st Century by Peng, Xiaoqing, Zhang, Tingjun, Frauenfeld, Oliver W., Mu, Cuicui, Wang, Kang, Wu, Xiaodong, Guo, Donglin, Luo, Jing, Hjort, Jan, Aalto, Juha, Karjalainen, Olli, Luoto, Miska

“…Permafrost warming leads to greenhouse gas release to the atmosphere, resulting in a positive feedback to climate change. Earth system models indicate that…”
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A comprehensive evaluation of precipitation simulations over China based on CMIP5 multimodel ensemble projections by Chen, Liang, Frauenfeld, Oliver W.

“…Precipitation variability has great economic, social, and environmental impacts across the globe, and in particular in China. This paper evaluates the…”
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Spatial and temporal variability in active layer thickness over the Russian Arctic drainage basin by Zhang, Tingjun, Frauenfeld, Oliver W., Serreze, Mark C., Etringer, Andrew, Oelke, Christoph, McCreight, James, Barry, Roger G., Gilichinsky, David, Yang, Daqing, Ye, Hengchun, Ling, Feng, Chudinova, Svetlana

“…Changes in active layer thickness (ALT) over northern high‐latitude permafrost regions have important impacts on the surface energy balance, hydrologic cycle,…”
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Climate change and variability using European Centre for Medium-Range Weather Forecasts reanalysis (ERA-40) temperatures on the Tibetan Plateau by Frauenfeld, Oliver W., Zhang, Tingjun, Serreze, Mark C.

“…Surface air temperature measurements from meteorological stations on the Tibetan Plateau are compared to 2‐m temperatures from the European Centre for…”
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Response of African elephants (Loxodonta africana) to seasonal changes in rainfall by Garstang, Michael, Davis, Robert E, Leggett, Keith, Frauenfeld, Oliver W, Greco, Steven, Zipser, Edward, Peterson, Michael

“…The factors that trigger sudden, seasonal movements of elephants are uncertain. We hypothesized that savannah elephant movements at the end of the dry season…”
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