Zobrazeno 1 - 10 of 22 pro vyhledávání: '"Teklu K. Tesfa"'
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Akademický článek
Impacts of Topography‐Based Subgrid Scheme and Downscaling of Atmospheric Forcing on Modeling Land Surface Processes in the Conterminous US
Autor: Teklu K. Tesfa, L. Ruby Leung, Peter E. Thornton, Michael A. Brunke, Zhuoran Duan
Publikováno v: Journal of Advances in Modeling Earth Systems, Vol 16, Iss 8, Pp n/a-n/a (2024)
Abstract The effects of small‐scale topography‐induced land surface heterogeneity are not well represented in current Earth System Models (ESMs). In this study, a new topography‐based subgrid structure referred to as topographic units (TGU) des
Externí odkaz: https://doaj.org/article/6f4fc1996e02485ca1f639340e9552ff
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2
A substantial role of soil erosion in the land carbon sink and its future changes
Autor: Maoyi Huang, L. Ruby Leung, Qing Zhu, Hongyi Li, Teklu K. Tesfa, Zeli Tan
Publikováno v: Global Change Biology. 26:2642-2655
Realistic representation of land carbon sink in climate models is vital for predicting carbon climate feedbacks in a changing world. Although soil erosion that removes land organic carbon has increased substantially since the onset of agriculture, it
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5de6c10462ba8dbe13f269ceb9a6ff4a
https://doi.org/10.1111/gcb.14982
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4
Global Irrigation Characteristics and Effects Simulated by Fully Coupled Land Surface, River, and Water Management Models in E3SM
Autor: Guoyong Leng, Nathalie Voisin, Teklu K. Tesfa, Tian Zhou, L. Ruby Leung, Yuna Mao, Anthony Craig, Hongyi Li
Publikováno v: Journal of Advances in Modeling Earth Systems, Vol 12, Iss 10, Pp n/a-n/a (2020)
Irrigation supports agricultural production, but widespread use of irrigation can perturb the regional and global water cycle. The one‐way coupled irrigation scheme used in some land surface models and Earth system models assumes that surface water
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50baa29733c2f09526963fd95ce2d260
https://doi.org/10.1029/2020ms002069
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5
Modeling surface water dynamics in the Amazon Basin using MOSART-Inundation-v1.0: Impacts of geomorphological parameters and river flow representation
Autor: L. Ruby Leung, Augusto Getirana, Teklu K. Tesfa, Hongyi Li, Fabrice Papa, Xiangyu Luo, Laura L. Hess
Publikováno v: Geoscientific Model Development, Vol 10, Iss 3, Pp 1233-1259 (2017)
Geosci Model Dev
Surface water dynamics play an important role in water, energy and carbon cycles of the Amazon Basin. A macro-scale inundation scheme was integrated with a surface-water transport model and the extended model was applied in this vast basin. We addres
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7369a38b06d01ebbbf0607299324cd78
https://pubmed.ncbi.nlm.nih.gov/32818050
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8
Effects of spatially distributed sectoral water management on the redistribution of water resources in an integrated water model
Autor: Lu Liu, Teklu K. Tesfa, L. Ruby Leung, Mohamad Hejazi, Maoyi Huang, Nathalie Voisin, Hongyi Li
Publikováno v: Water Resources Research. 53:4253-4270
Realistic representations of sectoral water withdrawals and consumptive demands and their allocation to surface and groundwater sources are important for improving modeling of the integrated water cycle. To inform future model development, we enhance
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f89f0acba27770f7182d0f8bc0f513da
https://doi.org/10.1002/2016wr019767
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9
Exploring new topography-based subgrid spatial structures for improving land surface modeling
Autor: Lai-Yung Ruby Leung, Teklu K. Tesfa
Publikováno v: Geoscientific Model Development, Vol 10, Iss 2, Pp 873-888 (2017)
Topography plays an important role in land surface processes through its influence on atmospheric forcing, soil and vegetation properties, and river network topology and drainage area. Land surface models with a spatial structure that captures spatia
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dabb4cedd1969fccc50897a3d52199da
http://www.geosci-model-dev.net/10/873/2017/gmd-10-873-2017.pdf
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10
Increased extreme rains intensify erosional nitrogen and phosphorus fluxes to the northern Gulf of Mexico in recent decades
Autor: Teklu K. Tesfa, Qing Zhu, Hongyi Li, Xiaojuan Yang, Zeli Tan, Ying Liu, L. Ruby Leung, Maoyi Huang
Publikováno v: Environmental Research Letters, vol 16, iss 5
Soil erosion delivers enormous amounts of macro-nutrients including nitrogen (N) and phosphorus (P) from land to rivers, potentially sustaining water column bioavailable nutrient levels for decades. In this study, we represent erosional N and P fluxe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f45307ec340f50b35fb958c9adee4b40
https://doi.org/10.1088/1748-9326/abf006
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