نتایج جستجو برای: 8 gcm models under 6 emission scenarios are downscaled by lars

تعداد نتایج: 9947861  

Journal: :Water Resources Management 2022

Groundwater resources play a crucial role in supplying water for domestic, industrial, and agricultural use. In this study ACCESS-CM2, HadGEM3-GC31-LL, NESM3 were selected validation from Coupled Model Intercomparison Project Phase 6 (CMIP6). the following, feedforward neural network was employed to predict monthly groundwater level (GWL) based on emission scenarios of sixth IPCC report (SSP2-4...

Journal: :Journal of Water and Climate Change 2021

Abstract Climate change has implications for water resources by increasing temperature, shifting precipitation patterns and altering the timing of snowfall glacier melt, leading to shifts in seasonality river flows. Here, Soil & Water Assessment Tool was run using downscaled temperature projections from five global climate models (GCMs) their multi-model mean estimate potential impact on ba...

2012
J.-P. Vidal E. Martin

Drought events develop in both space and time and they are therefore best described through summary joint spatio-temporal characteristics, such as mean duration, mean affected area and total magnitude. This paper addresses the issue of future projections of such characteristics of drought events over France through three main research questions: (1) Are downscaled climate projections able to si...

Journal: :Proceedings. Biological sciences 2012
Alejandro Ruete Wei Yang Lars Bärring Nils Chr Stenseth Tord Snäll

Assessment of future ecosystem risks should account for the relevant uncertainty sources. This means accounting for the joint effects of climate variables and using modelling techniques that allow proper treatment of uncertainties. We investigate the influence of three of the IPCC's scenarios of greenhouse gas emissions (special report on emission scenarios (SRES)) on projections of the future ...

1998
James S. Risbey

A case study of the Sacramento Basin is undertaken to examine problems of planning for the impacts of climate change on water resources utilizing output from general circulation climate models. This work provides a sensitivity analysis linking climate, stream ̄ow, and planning decisions. Water resource planners want reliable time series of stream ̄ow in the basin. Sacramento basin hydrological mo...

2016
Kristopher B. Karnauskas Anne L. Cohen Jamison M. Gove

Global climate models (GCMs) predict enhanced warming and nutrient decline across the central tropical Pacific as trade winds weaken with global warming. Concurrent changes in circulation, however, have potential to mitigate these effects for equatorial islands. The implications for densely populated island nations, whose livelihoods depend on ecosystem services, are significant. A unique suite...

ژورنال: علوم آب و خاک 2010
آشفته, پریسا سادات , مساح بوانی, علیرضا ,

Climate change has different impacts on extreme events such as flood and drought. However, in Iran there are few researches about the impacts. This research was aimed to investigate maximum annual discharge (magnitude and frequency) that may occur due to climate change in Aidoghmoush Basin during 2040-2069 (2050s). At first, monthly temperature and precipitation data of HadCM3 model under the S...

2011
Cameron C. Lee Scott C. Sheridan

One way in which global climate model (GCM) output can be utilized to infer local impacts is through the use of synoptic climatology: creating a set of atmospheric patterns that capture the variability in the climate system, and then analyzing trends and variability in the frequency of these patterns moving into the future. In this paper, we demonstrate a new synoptic climatological technique f...

Journal: :Climate Dynamics 2022

A hybrid statistical dynamical downscaling method intended to emulate regional climate models is described and applied Western Europe. The based on a constructed analogues algorithm, already used for downscaling. For emulation, the relationship not derived from observations but projections at low high resolution. approach therefore does rely stationarity assumption inherent conventional Within ...

2017
Farzad Emami

As climate change is projected to impose profound global variations in the freshwater resources, assessing the impacts of the former on the latter is a fundamental task for improving the water management, namely, in arid and semiarid areas, as there a plenty of in countries like Iran. Such is the objective of the present paper, where the impacts of climate change on the water availability in th...

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