Sentences with phrase «of 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:
http://www.realclimate.org/ Not exact matches
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.
Human - induced climate and hydrologic change is likely to make many parts of the world uninhabitable, or at least uneconomic.
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.
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.
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.
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.
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.
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 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.
Markus leads the effort at PCIC to quantify the direct and indirect effects of climate change and variability upon the various components of hydrologic cycle at the local and regional scale.
Activity between 2019 and 2020 will focus on expanding the hydrologic projections and water temperature modelling into additional basins and completing an analysis of regional changes in hydrologic extremes.
Chapter 13: Variability and change in the atmospheric branch of the Arctic hydrologic cycle.
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.
Even though you do not know how increasing CO2 or warming will change the hydrologic cycle, and even though you make elementary errors in statistics and probability, and even though I basically have faint praise for your csalt model (i.e. it hasn't been tested or disconfirmed by out of sample data), I stipulate that you know more of just about all of physics than I do.
Hunter writes: Gavin's is the fallacy that CO2 is the driver of climate, not albedo, not land use changes, not changes in hydrologic flows, not solar variability.
Gavin's is the fallacy that CO2 is the driver of climate, not albedo, not land use changes, not changes in hydrologic flows, not solar variability.
For many years, GFDL scientists have been at the forefront of research on the hydrologic cycle, understanding how it fits in the full earth - atmosphere system, and how it may change in the coming decades and centuries.
Latin name: Quercus lyrata These oak cores were collected in northeastern Arkansas to investigate a change in the hydrologic regime of a wildlife refuge beginning in the 1990s.
Final results from the first phase of PCIC's Hydrologic Impacts research program with BC Hydro have been published, the culmination of four years of collaborative work aimed at better understanding the potential effects of climate variability and change on BC water resources.
The group used field observations of the burned watershed, spatially explicit data on watershed characteristics, historic rainfall and runoff measurements, and accepted modeling techniques to estimate post-fire changes in hydrologic and sedimentary processes in the Mission Creek watershed.
«Hydrologic Impacts of Climate Change in the Peace, Campbell and Columbia Watersheds, British Columbia, Canada»
This policy document consists of a COP 14 position paper presenting the role that the hydrologic, meteorological and climate communities can play in achieving the objectives of the United Nations Framework Convention on Climate Change (UNFCCC).
PCIC has published «Hydrologic Impacts of Climate Change on BC Water Resources: Summary Report for the Campbell, Columbia and Peace River Watersheds».
The study uses an extensive suite of existing simulations with the Variable Infiltration Capacity (VIC) hydrologic model driven by Coupled Model Intercomparison Project Phase 3 (CMIP3) climate simulations to train and evaluate the nonlinear and nonstationary Generalized Extreme Value conditional density network (GEVcdn) model of Fraser River streamflow extremes, and subsequently applies the model to project changes in Fraser River extremes under CMIP5 based climate change scenarios.
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.
For example, nearly all features of the hydrologic system are now impacted by the Human System [60] with important feedbacks onto humans, e.g., snowpack decline due to climate change [53] reduces water availability; agricultural processes further affect water availability and water quality [54]; and land - use changes can reduce groundwater recharge [77].