Výsledky vyhledávání - "S. P. Swenson"

Akademický článek

Ground subsidence effects on simulating dynamic high-latitude surface inundation under permafrost thaw using CLM5

Autor: A. Ekici, H. Lee, D. M. Lawrence, S. C. Swenson, C. Prigent

Publikováno v: Geoscientific Model Development, Vol 12, Pp 5291-5300 (2019)

Simulating surface inundation is particularly challenging for the high-latitude permafrost regions. Ice-rich permafrost thaw can create expanding thermokarst lakes as well as shrinking large wetlands. Such processes can have major biogeochemical impl

Externí odkaz: https://doaj.org/article/9cde3a63f5d548db87a45caff313c0b9

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Akademický článek

Evaluating the strength of the land–atmosphere moisture feedback in Earth system models using satellite observations

Autor: P. A. Levine, J. T. Randerson, S. C. Swenson, D. M. Lawrence

Publikováno v: Hydrology and Earth System Sciences, Vol 20, Iss 12, Pp 4837-4856 (2016)

The relationship between terrestrial water storage (TWS) and atmospheric processes has important implications for predictability of climatic extremes and projection of future climate change. In places where moisture availability limits evapotranspira

Externí odkaz: https://doaj.org/article/19547ac0b9464eee880245e5851a1e05

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Akademický článek

The effect of vertically resolved soil biogeochemistry and alternate soil C and N models on C dynamics of CLM4

Autor: C. D. Koven, W. J. Riley, Z. M. Subin, J. Y. Tang, M. S. Torn, W. D. Collins, G. B. Bonan, D. M. Lawrence, S. C. Swenson

Publikováno v: Biogeosciences, Vol 10, Iss 11, Pp 7109-7131 (2013)

Soils are a crucial component of the Earth system; they comprise a large portion of terrestrial carbon stocks, mediate the supply and demand of nutrients, and influence the overall response of terrestrial ecosystems to perturbations. In this paper, w

Externí odkaz: https://doaj.org/article/7a0c9c3ac6a04b8583114e4c2670647b

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Akademický článek

Are GRACE-era Terrestrial Water Trends Driven by Anthropogenic Climate Change?

Autor: J. T. Fasullo, D. M. Lawrence, S. C. Swenson

Publikováno v: Advances in Meteorology, Vol 2016 (2016)

To provide context for observed trends in terrestrial water storage (TWS) during GRACE (2003–2014), trends and variability in the CESM1-CAM5 Large Ensemble (LE) are examined. Motivated in part by the anomalous nature of climate variability during G

Externí odkaz: https://doaj.org/article/961d7e206eb84872acb4cdc1352c4e78

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Akademický článek

Sensitivity of wetland methane emissions to model assumptions: application and model testing against site observations

Autor: L. Meng, P. G. M. Hess, N. M. Mahowald, J. B. Yavitt, W. J. Riley, Z. M. Subin, D. M. Lawrence, S. C. Swenson, J. Jauhiainen, D. R. Fuka

Publikováno v: Biogeosciences, Vol 9, Iss 7, Pp 2793-2819 (2012)

Methane emissions from natural wetlands and rice paddies constitute a large proportion of atmospheric methane, but the magnitude and year-to-year variation of these methane sources are still unpredictable. Here we describe and evaluate the integratio

Externí odkaz: https://doaj.org/article/208ed469a2dd46a39bac947b1217fcaa

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Akademický článek

Barriers to predicting changes in global terrestrial methane fluxes: analyses using CLM4Me, a methane biogeochemistry model integrated in CESM

Autor: W. J. Riley, Z. M. Subin, D. M. Lawrence, S. C. Swenson, M. S. Torn, L. Meng, N. M. Mahowald, P. Hess

Publikováno v: Biogeosciences, Vol 8, Iss 7, Pp 1925-1953 (2011)

Terrestrial net CH4 surface fluxes often represent the difference between much larger gross production and consumption fluxes and depend on multiple physical, biological, and chemical mechanisms that are poorly understood and represented in regional-

Externí odkaz: https://doaj.org/article/7e87b162ae5843eda917f6905434ae5f

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Akademický článek

Permafrost thaw and resulting soil moisture changes regulate projected high-latitude CO2 and CH4 emissions

Autor: D M Lawrence, C D Koven, S C Swenson, W J Riley, A G Slater

Publikováno v: Environmental Research Letters, Vol 10, Iss 9, p 094011 (2015)

The fate of currently frozen permafrost carbon as high-latitude climate warms remains highly uncertain and existing models give widely varying estimates of the permafrost carbon-climate feedback. This uncertainty is due to many factors, including the

Externí odkaz: https://doaj.org/article/8d8f48f2e25d4220b017ced735001aaa

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