نتایج جستجو برای: 2071 2100
تعداد نتایج: 5286 فیلتر نتایج به سال:
Previous studies seldom consider humidity when examining heat-related extremes, and none have explored the effects of on concurrent extremes high heat stress low river streamflow. Here, we present first global picture projected changes in compound lethal (Th)-drought hazards (CHD) across 11,637 catchments. Our observational datasets show that atmospheric conditions (e.g., energy vapor flux) pla...
We present results of a sensitive Chandra X-ray observation and Spitzer midIR observations of the infrared cluster lying north of the NGC 2071 reflection nebula in the Orion B molecular cloud. We focus on the dense cluster core known as NGC 2071-IR which contains at least nine IR sources within a 40 × 40 region. This region shows clear signs of active star formation including
In this study, projected changes in climate extreme indices defined by the Expert Team on Climate Change Detection and Indices were investigated over Middle East North Africa. Changes daily maximum minimum temperature- precipitation- based analyzed for end of 21st century compared to reference period 1971–2000 using regional model simulations. Regional model, RegCM4.4 was used downscale two dif...
Data from historical observatories and future simulations were analyzed using the representative concentration pathway (RCP) 8.5 scenario, which covered period 1951 to 2100. In order characterize drought, three widely used drought indicators used: standardized precipitation index (SPI), reconnaissance (RDI), evapotranspiration (SPEI). The ensemble of seven (7) GCMs that RCA-4 was able capture s...
This study examines the response of hydrological processes to different climate change scenarios in Jemma sub-basin Blue Nile Basin. Future near-term (2021–2050) and long-term (2071–2100) were developed from six statistically bias corrected Regional Climate Models (RCMs) under two Representative Concentration Pathways (RCPs) scenarios: RCP4.5 RCP8.5. The outputs models used as input a calibrate...
River flow in the Songwe sub-basin is predicted to alter due climate change, which would have an impact on aquatic habitats, infrastructure, and people’s way of life. Therefore, influence change should be taken into account when making decisions about sustainable management water resources sub-basin. This study looked how river discharge react future. By contrasting hydrological characteristics...
Climate change is having complex impacts on the boreal forest, modulating both tree growth limiting factors and fire regime. However, these aspects are usually projected independently when estimating climate effect forest. Using a combination of three different methods, our goal to assess combined impact changes in regime due timber supply at transitions from closed open coniferous forests Québ...
In this study, a pattern detection method is applied on the RCP4.5 and RCP8.5 simulation outputs of seven GCMs—disseminated by Coupled Model Intercomparison Project Phase 5 (CMIP5)—to determine whether atmospheric teleconnection patterns detected in ERA-20C reanalysis from European Centre for Medium-Range Weather Forecasts (ECMWF) will be observable future projections CMIP5 GCMs. The technique—...
Climate change represents a major challenge for the management of native fish communities in Mediterranean rivers, as reductions discharge may lead to decrease passability through small barriers such weirs, both temporary and perennial rivers. Through hydraulic modelling, we investigated how discharges from large hydropower plant Tagus River are expected affect freshwater species rock weir (Peg...
Abstract The aim of the study was to determine direction and rate projected changes start, end, duration growing season in Poland two-time horizons: 2021–2050 2071–2100. main part paper preceded by an analysis start end dates period 1966–2020. is be shortest mountain areas north-eastern regions Poland, where date latest earliest. Whereas longest due earliest expected southwestern Poland. In cas...
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