Sentences with phrase «hydrologic changes»

Here are examples of two papers that don't seem to have huge gaping flaws, and cover the data and the modeling of hydrologic changes:

Additionally, simulated hydrologic changes from the GCM — BCSD - driven Variable Infiltration Capacity (VIC) model were compared to the CRCM integrated Canadian Land Surface Scheme (CLASS) output.

Overall, the GCM — BCSD — VIC approach, for now, remains the preferred approach for projecting basin - scale future hydrologic changes, provided that it explicitly accounts for the biases and includes plausible snow and runoff parameterizations.

The same principle may not apply to desertification and hydrologic changes, as indicated by the examples in the paper.

«They're accurately capturing the spatial patterns in hydrologic changes, and they've got the basic physics right.

Human - induced climate and hydrologic change is likely to make many parts of the world uninhabitable, or at least uneconomic.

It is commonly thought that hydrologic change is driven by precipitation and radiation changes caused by climate change, and that as the land surface adjusts, rising temperatures and lower precipitation will make the planet drier.

I was removed by NOAA NWS for doing research on climate and hydrologic change on July 15, 2005.

I believe that I was harassed by my supervisor and others in NWS for over a year after the suspension, related to my concerns on climate and hydrologic change as that can affect hydrologic modeling which NWS river forecast centers uses for flood and water supply forecasting.

I removed as a federal employee in July of 2005 for objecting to not be able to study or talk about climate and hydrologic change while at the office.

My studies on climate and hydrologic change in the Upper Midwest, and my operational experience with snowmelt runoff and flooding (1976 - 2000), convinced me to do a poster on hydrologic change in the Upper Midwest for the gathering in 2000 (a later article in 2003 is at http://www.mnforsustain.org).

Biogeochemical evidence for hydrologic change during the Holocene in a lake sediment record from southeast Greenland., The Holocene, 23, 1428 - 1439.

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

Not exact matches

Dr. Jefferson's research focuses on urban watersheds and stormwater management, hydrologic responses to climate variability and change, and landscape evolution.

The scientists analyzed 76 years of data (1938 through 2013) collected from six unmanaged, reference watersheds at the SRS Coweeta Hydrologic Laboratory located in the southern Appalachian Mountains in North Carolina, to determine whether annual water yield from those watersheds has changed over time, and if so, to determine causes for significant changes.

Keiluweit, assistant professor in UMass Amherst's School of Earth and Sustainability, says the team's next steps include quantifying the amount of anaerobic microsites in different soil ecosystems and assessing how carbon stabilization in them is affected by variables such as the soil hydrologic regime, which is expected to change dramatically due to climate change.

«Our finding that vegetation plays a key role future in terrestrial hydrologic response and water stress is of utmost importance to properly predict future dryness and water resources,» says Gentine, whose research focuses on the relationship between hydrology and atmospheric science, land / atmosphere interaction, and its impact on climate change.

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

Modeling changes in the observed harmonic frequencies indicates that the spectral characteristics of seismic data can provide important information about hydraulic fracture geometry and fluid pressure at depth, leading to important insights into subglacial hydrologic processes.

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.

Investigates changes in Arctic hydrologic system, feedback mechanisms, and impacts on Arctic organisms.

The team was able to demonstrate that the loss of species is related to changes in the hydrologic regime resulting from the conversion of forested areas to agricultural land.

They have provided a much better understanding of hydrologic responses to climate change, which in turn will provide tremendous guidance for future planning.»

From the Prize Council: «If we are going to talk about hydrology in the 21st century, and the challenges hydrologists face, clearly the overwhelming challenge is to understand hydrologic variability, and the likely impact on hydrology of anticipated climate change.

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.

A few things are unequivocal, perhaps (doubling from the present concentration of CO2 will take 140 years [give or take]; the idea that the changes in climate since 1880 have been in the aggregate beneficial; it takes more energy to vaporize a kg of water than to raise its temperature by 1K; ignoring the energy cost of water and latent heat transport [in the hydrologic cycle] leads to equilibrium calculations overestimating the climate sensitivity), but most are propositions that I think need more research, but can't be refuted on present evidence.

I encountered «great difficulties» from Jan of 2000 until July of 2005 as a result of my concerns with climate change effects on hydrologic modeling and flood prediction.

The issue with the Mauritsen and Stevens piece is that it tries to go well beyond a «what if» modeling experiment, and attempts to make contact with a lot of other issues related to historical climate change (the hiatus, changes in the hydrologic cycle, observed tropical lapse rate «hotspot» stuff, changes in the atmsopheric circulation, etc) by means of what the «iris» should look like in other climate signals.

The hydrologic cycle can change because of changes in plant cover — it's a common observation that after a forest fire or logging, streams and springs will flow higher and longer for a period of years.

If so, I think we want to include tightly coupled chemical and biological processes, in that case — for example, the chemical fate of atmospheric methane over time, the effects of increasing atmospheric CO2 on oceanic acid - base chemistry, and the response of the biological components of the carbon cycle to increased temperatures and a changing hydrologic cycle.

Energetic constraints and response of hydrologic cycle to climate change.

The pattern of change for the wettest day of the year is projected to roughly follow that of the average precipitation, with both increases and decreases across the U.S. Extreme hydrologic events are projected to increase over most of the U.S.

Shrestha, R. R., M. A. Schnorbus, A. T. Werner, and A. J. Berland, 2012: Modelling spatial and temporal variability of hydrologic impacts of climate change in the Fraser River basin, British Columbia, Canada.

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.

Schnorbus, M. A., K. E. Bennett, A. T. Werner, and A. J. Berland, 2011: Hydrologic Impacts of Climate Change in the Peace, Campbell and Columbia Watersheds, British Columbia, Canada.

Any mass balance changes occurring before the actual accumulation season begins is a measured mass loss or gain for the next hydrologic year.

With the impact of climate change, sole reliance on historical hydrologic weather patterns is no longer a viable forecast for water authorities.

Also, he should define what he means by «climate change» in terms of time and space scales, and of what specific societally and environmentally relevant metrics (such as hydrologic drought; agricultural drought; large basin river floods, etc) he is focusing on.

Here Huntington et al. measured how climate change alters hydrologic conditions in New England and affects DOC transport into the Gulf of Maine.

Researchers at CIRES» National Snow and Ice Data Center [About NSIDC] investigate the dynamics of Antarctic ice shelves, new techniques for the remote sensing of snow and freeze / thaw cycle of soils, the role of snow in hydrologic modeling, linkages between changes in sea ice extent and weather patterns, large - scale shifts in polar climate, river and lake ice, and the distribution and characteristics of seasonally and permanently frozen ground.

Dr Lenton (who is also one of the creators of the planetary - boundaries concept) and Dr Watson suggest that energy might be used to change the hydrologic cycle with massive desalination equipment, or to speed up the carbon cycle by drawing down atmospheric carbon dioxide, or to drive new recycling systems devoted to tin and copper and the many other metals as vital to industrial life as carbon and nitrogen are to living tissue.

Hydrologic modeling is performed by the variable infiltration capacity (VIC) model at a 1/8 ° resolution and the model is driven by climate scenarios provided by the North American Regional Climate Change Assessment Program (NARCCAP) including nine regional climate model (RCM) simulations.

Hydrologic modelling has been applied to assess the impacts of projected climate change within three study areas in the Peace, Campbell and Columbia River watersheds of British Columbia, Canada.

Modelling spatial and temporal variability of hydrologic impacts of climate change in the Fraser River basin, British Columbia, Canada.

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.

The aim of the Hydrologic Impacts (HI) theme at PCIC is to quantify the effect of climate change and climate variability on regional hydrology in order to provide analysis and information relevant to water resources management.

During this time, Markus developed a clear and pragmatic appreciation of the hydrologic effects of climate change and variability.

Evaluating hydro - climatic impacts of climate change signals from statistically and dynamically downscaled GCMs and hydrologic models.

The work of the theme anticipates the need to provide information on multiple time and spatial scales and the requirement to understand potential changes in extreme hydrologic events.