نتایج جستجو برای: representative concentration pathways rcps

تعداد نتایج: 696565  

Journal: :Journal of Water and Climate Change 2022

Abstract Understanding rainwater dispersion in a spatiotemporal context is invaluable toward resourceful water management and food-secure society. This study, therefore, assessed the variations rainfall at scale Oti River Basin of West Africa for observed (1981–2010) future periods (2021–2050) under representative concentration pathways (RCPs) 4.5 8.5 emission scenarios. Rainfall data from mete...

2016
Christopher M. LITTLE Nathan M. Urban

Projections of ice-sheet mass balance require regional ocean warming projections derived from atmosphere-ocean general circulation models (AOGCMs). However, the coarse resolution of AOGCMs: (1) may lead to systematic or AOGCM-specific biases and (2) makes it difficult to identify relevant water masses. Here, we employ a large-scale metric of Antarctic Shelf Bottom Water (ASBW) to investigate ci...

2015
Tiantian Li Jie Ban Radley M. Horton Daniel A. Bader Ganlin Huang Qinghua Sun Patrick L. Kinney

Because heat-related health effects tend to become more serious at higher temperatures, there is an urgent need to determine the mortality projection of specific heat-sensitive diseases to provide more detailed information regarding the variation of the sensitivity of such diseases. In this study, the specific mortality of cardiovascular and respiratory disease in Beijing was initially projecte...

2016
Abdallah M Samy Arwa H Elaagip Mohamed A Kenawy Constância F J Ayres A Townsend Peterson Doaa E Soliman

Rapid emergence of most vector-borne diseases (VBDs) may be associated with range expansion of vector populations. Culex quinquefasciatus Say 1823 is a potential vector of West Nile virus, Saint Louis encephalitis virus, and lymphatic filariasis. We estimated the potential distribution of Cx. quinquefasciatus under both current and future climate conditions. The present potential distribution o...

2015
R. van Woesik Y. Golbuu G. Roff

Since the Mid-Holocene, some 5000 years ago, coral reefs in the Pacific Ocean have been vertically constrained by sea level. Contemporary sea-level rise is releasing these constraints, providing accommodation space for vertical reef expansion. Here, we show that Porites microatolls, from reef-flat environments in Palau (western Pacific Ocean), are 'keeping up' with contemporary sea-level rise. ...

2016
Abdallah M. Samy A. Townsend Peterson

The geographic distribution of arboviruses has received considerable attention after several dramatic emergence events around the world. Bluetongue virus (BTV) is classified among category "A" diseases notifiable to the World Organization of Animal Health (OIE), and is transmitted among ruminants by biting midges of the genus Culicoides. Here, we developed a comprehensive occurrence data set to...

2015
Hamed R. Moftakhari Amir AghaKouchak Brett F. Sanders David L. Feldman William Sweet Richard A. Matthew Adam Luke

Mean sea level has risen tenfold in recent decades compared to the most recent millennia, posing a serious threat for population and assets in flood-prone coastal zones over the next century. An increase in the frequency of nuisance (minor) flooding has also been reported due to the reduced gap between high tidal datums and flood stage, and the rate of sea level rise (SLR) is expected to increa...

2014
Xiangzheng Deng Chunhong Zhao Yingzhi Lin Tao Zhang Yi Qu Fan Zhang Zhan Wang Feng Wu

This study focuses on the potential impacts of large-scale land use and land cover changes (LUCC) on surface temperature from a global perspective. As important types of LUCC, urbanization, deforestation, cultivated land reclamation, and grassland degradation have effects on the climate, the potential changes of the surface temperature caused by these four types of large-scale LUCC from 2010 to...

Journal: :Environment international 2017
Jennifer D Stowell Young-Min Kim Yang Gao Joshua S Fu Howard H Chang Yang Liu

Overwhelming evidence has shown that, from the Industrial Revolution to the present, human activities influence ground-level ozone (O3) concentrations. Past studies demonstrate links between O3 exposure and health. However, knowledge gaps remain in our understanding concerning the impacts of climate change mitigation policies on O3 concentrations and health. Using a hybrid downscaling approach,...

Journal: :Environmental science & technology 2013
Fabien Paulot Daniel J Jacob Daven K Henze

Anthropogenic enrichment of reactive nitrogen (Nr) deposition is an ecological concern. We use the adjoint of a global 3-D chemical transport model (GEOS-Chem) to identify the sources and processes that control Nr deposition to an ensemble of biodiversity hotspots worldwide and two U.S. national parks (Cuyahoga and Rocky Mountain). We find that anthropogenic sources dominate deposition at all c...

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