Sentences with phrase «global hydrologic»

Bridget Scanlon discusses the use of global hydrologic models for studying changes in water storage worldwide.

They then combined it with a global hydrologic model — validated with ground information and NASA satellite data — to trace the sources of water used to produce 26 specific crop classes from their country of origin to their final destination.

Bridget Scanlon discusses the use of global hydrologic models for studying changes in water storage worldwide.

Not exact matches

Understanding how human water use would respond to global warming and its combined effects on the hydrologic cycle is important for better designing mitigation and adaption strategies to the global change in the future.

Here's the problem forests and forest managers face under climate change: Increasing global mean temperatures, changes in precipitation, and the hydrologic cycle are expected to lead to temperature and drought stress for many tree species.

Urban forest ecosystems can provide many benefits to cities and communities including energy conservation, contributing to global biodiversity, and maintaining hydrologic and nutrient cycles.

It should be an ideal one: global supply is fixed by the hydrologic cycle, trade is severely limited by technical constraints, and, for many uses, no substitute exists.

A realistic treatment of the hydrologic cycle would show that the influence of a doubling of CO2 should lead to a global surface warming of only about 0.3 °C — not the 3 °C warming as indicated by the climate simulations....

These methods have been significantly improved by fully coupling the hydrologic cycle among land, lake, and atmosphere.94, 95 Without accounting for that cycle of interactions, a study96 concluded that increases in precipitation would be negated by increases in winter evaporation from less ice cover and by increases in summer evaporation and evapotranspiration from warmer air temperatures, under a scenario of continued increases in global emissions (SRES A2 scenario).

The principal scientific objective is to make global SSS measurements over the ice - free oceans with 150 - km spatial resolution, and to achieve a measurement error less than 0.2 (PSS - 78 [practical salinity scale of 1978]-RRB- on a 30 - day time scale, taking into account all sensors and geophysical random errors and biases.Salinity is indeed a key indicator of the strength of the hydrologic cycle because it tracks the differences created by varying evaporation and precipitation, runoff, and ice processes.

The Hydrologic Impacts theme is concerned with estimating the effects of climate variability and change on water resources using downscaled global climate models and hydrologHydrologic Impacts theme is concerned with estimating the effects of climate variability and change on water resources using downscaled global climate models and hydrologichydrologic models.

The pattern and spatial gradients of forcing affect global and regional temperature responses as well as other aspects of climate response such as the hydrologic cycle.

Hence, this study evaluates the ability of a standard hydrologic model set - up: Variable Infiltration Capacity (VIC) hydrologic model for two headwater sub-basins in the Fraser River (Salmon and Willow), British Columbia, Canada, with climate inputs derived from observations and statistically downscaled global climate models (GCMs); to simulate six general water resource indicators (WRIs) and 32 ecologically relevant indicators of hydrologic alterations (IHA).

Their work involved using a hydrologic model that included a simple representation of glaciers, run by statistically - downscaled output from global climate models, in order to come up with projected changes to evaporation, precipitation, runoff, snow, soil moisture and temperature in the Canadian portion of the Columbia River Basin.

Some of the major human activities responsible for the destruction of wetlands in India include hydrologic alteration, agricultural activities, pollution, legal - policy failures, direct deforestation in wetlands, inundation by dammed reservoirs, degradation of water quality, global climate change effects, ground - water depletion and introduced species — extinction of native biota.

The global water or hydrologic cycle, showing estimates of contents of major reservoirs and rates of transfer or fluxes of water between them.

Sheffield, J. & Wood, E. F. Characteristics of global and regional drought, 1950 — 2000: analysis of soil moisture data from off - line simulation of the terrestrial hydrologic cycle.

Gornitz, V., C. Rosenzweig, and D. Hillel, 1997: Effects of anthropogenic intervention in the land hydrologic cycle on global sea level rise.

My comments led to the first of four suspensions issued to me as result of my trying to research and speak about climate and hydrologic change in Minnesota and global warming.

I stepped up in a US national press release in Oct 2003 about climate and hydrologic change in the Upper Midwest and global warming: http://releases.usnewswire.com/GetRelease.asp?id=22702

Influence of Landscape Structures on the Hydrologic Cycle and Regional and Global Climate.

The early Eocene hyperthermals, a series of transient global warming events (2 to 5 °C, provide a unique opportunity to assess the sensitivity of the hydrologic cycle to the scale of greenhouse forcing expected over the next several centuries.

OTOH, where the surface budget seems to play a significant role is in diagnosing hydrologic responses to global warming.