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Sunday, July 26, 2020 | History

2 edition of Simulating the impacts of climate change on potential evapotranspiration found in the catalog.

Simulating the impacts of climate change on potential evapotranspiration

Mary S. McKenney

Simulating the impacts of climate change on potential evapotranspiration

a comparison of the climate senstivity of selected methods.

by Mary S. McKenney

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  • 34 Currently reading

Published by Resources for the Future in Washington .
Written in English


Edition Notes

SeriesENR 91-17
ContributionsRosenberg, Norman J.
The Physical Object
Pagination1 v. : ills ; appendices.
ID Numbers
Open LibraryOL17590364M

We used a terrestrial ecosystem process model, BIOME-BGC, to investigate historical climate change and fire disturbance effects on regional carbon and water budgets within a , km2 portion of the Canadian boreal forest. Historical patterns of increasing atmospheric CO2, climate change, and regional fire activity were used as model drivers to evaluate the relative effects of these impacts Abstract. This work addresses the impact of climate change on the hydrology of a catchment in the Mediterranean, a region that is highly susceptible to variations in rainfall and other components of the water budget. The assessment is based on a comparison of responses obtained from five hydrologic models implemented for the Rio Mannu catchment in southern Sardinia (Italy).

  The mean annual potential evapotranspiration our study do provide insight into the potential magnitude of vegetation and climate change impacts on ET. The model performance in simulating Aim To examine potential impacts of climatic change on bird species richness of the fynbos and grassland biomes, especially on species of conservation concern, and to consider implications for biodiversity conservation strategy.. Location Southern Africa, defined for this study as South Africa, Lesotho and Swaziland.. Methods Climate response surfaces were fitted to model relationships

Assessment of Climate Change Impacts on Reference Evapotranspiration and Simulation of Daily Weather Data Using SIMETAW Journal of Irrigation and Drainage Engineering November Discussion of “Multiscale Assessment of the Impacts of Climate Change on Water Resources in Tanzania” by Umesh Adhikari, A. Pouyan Nejadhashemi, Matthew R (ASCE)HE   Climate variability and climate change and their impacts on Kenya’s agricultural sector Mario Herrero,1 Claudia Ringler,2 Jeannette van de Steeg,1 Philip Thornton,1 Tingju Zhu,2 Elizabeth Bryan,2 Abisalom Omolo,1 Jawoo Koo,2 and An Notenbaert1 1International Livestock Research Institute, PO Box , Nairobi, Kenya 2International Food Policy Research Institute, K Street, Washington, DC


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Simulating the impacts of climate change on potential evapotranspiration by Mary S. McKenney Download PDF EPUB FB2

Projected climate changes for the 21st century may cause great uncertainties on the hydrology of a river basin. This study explored the impacts of climate change on the water balance and hydrological regime of the Jhelum River Basin using the Soil and Water Assessment Tool (SWAT).

Two downscaling methods (SDSM, Statistical Downscaling Model and LARS-WG, Long Ashton Research Station Weather   To assess the performance of NHSM in simulating discharges under the present climate it is forced by observed rainfall and potential evapotranspiration for the period – To simulate future discharges, NHSM meteorological forcing is derived from simulated series by three General Circulation Models (GCMs) under two SRES emission :// We used the climate records to drive an ecosystem process model, BIOME_BGC, to simulate the effects of climate change on the carbon and water balances of boreal forest ecosystems.

The growing season has lengthened by an average of days per 10 y with Climate change is forecast to alter waterbody size, abundance, and distribution in the PPR (Poiani and JohnsonLarsonPoiani et al., Johnson et al.,Millett et al.Werner et al.Johnson and PoianiMushetSofaer et al. ), which is predicted to affect wetland‐dependent bird Climate change would significantly affect crop evapotranspiration processes.

Many studies have been conducted for various crops. However, there is a lack of sufficient observational evidence on Groundwater pumping has caused marked aquifer storage declines over the past century. In addition to threatening the viability of groundwater-dependent economic activities, storage losses reshape the hydrologic landscape, shifting groundwater surface water exchanges and surface water availability.

A more comprehensive understanding of modern groundwater-depleted systems is needed as we strive   3. Observed and predicted climate change impacts on the Magdalen Islands.

Climate change can be defined as a difference of climate conditions over a given period, with respect to a reference period, due to natural or anthropogenic causes (Environment Canada, ). Simulating impacts of climate change on cotton yield and water requirement using RZWQM2.

Assessing the potential impacts of climate change on cotton it possesses an advantage to assess the effects of climate change on evapotranspiration and biomass accumulation as Excerpt.

ABSTRACT. Drought is a threat to food security and water availability in West Africa. As part of efforts to improve drought early warning systems, this study investigates the characteristics of West African droughts, evaluates the ability of CORDEX regional climate models to simulate the droughts and examines the impacts of future climate change (, under the scenario RCP45   projected climate changes and to identify potential climate change impacts.

[3] evaluated the ability of four General Circulation Models (GCMs) to reproduce the basin’s climate and they found that all four models failed to reproduce the rainfall volumes in the Sahelian zone, and the seasonal dynamics of rainfall in the Guinean :// ing and local climate change projections.

[5] This paper describes the modeling of climate change impact on runoff across southeast Australia, informed by 15 GCMs for a midrange global warming scenario, using a daily scaling method that considers changes in the future mean seasonal rainfall and potential evapotranspiration as    Co-I Addressing the Impacts of Climate Change on Agricultural Systems in East Africa Rockefeller Foundation $, Co-I Linking Local Knowledge and Local Institutions for the Study of Adaptive Capacity to Climate Change: Participatory GIS in Northern Tanzania NSF:Geog.

& Reg. Sci. $,~moorena. Climate change is reality which deals with the problem of climate variability and change and it deals with descriptions, causes, implications, interactions, impact and responses among other causes.

The purpose of the journal is to provide a platform to exchange ideas among those working in different disciplines related to climate ://   AbstractThe mountainous areas of Colorado are used for tourism and recreation, and they provide water storage and supply for municipalities, industries, Potential impacts of global change on surface water, particularly projected regional climate patterns and trends have been studied in some detail.

Studies of how subsurface waters will respond to climate change coupled with human activities have started to catch up   the potential impacts of climate change on natural values at risk in the Tasmanian Wilderness World Heritage Area.

About the threat or issue The issue of climate change and the threat it poses globally are detailed in the Intergovernmental Panel on Climate Change (IPCC) Fifth Assessment Report on Climate Change (IPPC ).

SummaryThe ACRU agro-hydrological modeling system provided the framework, containing code to simulate all major hydrological processes, including actual evapotranspiration estimates, to simulate the impacts of climate change in the Cline River watershed, Alberta, Canada, under historical () and a range of future climate conditions (,and ).

76K/abstract. watershed evapotranspiration (ET), surface runoff, and groundwater flow in addition to streamflow. We used a statis‐ tical downscaling approach to assess change in future climate as modeled by two GCMs, and considered future hydrologic behavior and stream water quality using SWAT.

Park et al. () evaluated the impacts of future potential IPCC () Climate change impacts, adaptation, and vulnerability. part A: global and sectoral aspects.

In: Field CB, Barros VR, Dokken DJ, Mach KJ, Mastrandrea MD, Bilir TE, Chatterjee M, Ebi KL, Estrada YO, Genova RC, Girma B, Kissel ES, Levy AN, MacCracken S, Mastrandrea PR, White LL (eds) Contribution of working group II to the fifth Gerald R.

Urquhart, in Reference Module in Earth Systems and Environmental Sciences, Climate Change. Climate change impacts Neotropical rainforests in obvious and obscure ways.

The most optimistic hope is that increased temperature may result in higher potential evapotranspiration if accompanied by stable or increased precipitation, allowing for greater carbon sequestration by ://. Climate change can have a considerable impact on the hydrological cycles mainly through the modification of evapotranspiration and precipitation [2], [3].

The alterations of evapotranspiration and precipitation can, at the extreme, demonstrate formations of severe droughts or major floods leading to significant impacts on the As it enables the understanding and the quantification of the transfer of water in ecosystems and from ecosystems to the atmosphere, evapotranspiration is a key component to assess climate impact on hydrology and agriculture.

In crop models, the estimation of the evapotranspiration rate requires first calculating potential or reference evapotranspiration from climate ://  Attribution of future groundwater recharge to three climate-driven factors (rainfall, snowmelt, and evapotranspiration (ET)), as derived from the regression based on CESM-LE projections (