Sentences with phrase «using hydrologic»

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.

This is accomplished by using hydrologic models driven with downscaled climate data to produce hydrologic projections spanning the entire 21st - century.

From reading the paragraph, I conclude that prediction of climate using climate models is similar to prediction of river flood levels using hydrologic models.

Not exact matches

They also used a physically based computer model of the hydrologic cycle, which takes daily weather observations and computes the snow accumulation, melting, and runoff to estimate the total snowpack in the western U.S.

«The consequences are both an altered hydrologic regime — which has implications for farming, urban water use and the environment — as well as degradation of streamwater quality,» he says.

And the GPS data is about 50 percent more accurate than one hydrologic model used to estimate snowpack in the Sierra Nevada and roughly on par with another one, Argus said.

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

-- Output from the river system model is being used to identify likely imbalances in water supply and demand as compared to past and existing operations under known climate and hydrologic conditions.

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.

10:30 - 10:45 Reconstructing the past millennium of hydrologic variability in the Western Tropical Pacific using the hydrogen isotopes of lipid biomarkers Julie Richey, Julian Sachs

His work mainly focuses on remote sensing of precipitation, hydrologic applications, and the analysis of extreme weather and climatic events using observation and models.

What is Irrigation, Necessity of Irrigation, Advantages and disadvantages of Irrigation - Irrigation can be defined as human manipulation of the hydrologic While nanotechnology is seen as the way of the future and is a technology that a lot of people think will bring a lot of benefit for all who will be using it,

I use numerical models to simulate hydrologic systems.

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.

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.

The hydrologic projections were forced with GCM data downscaled to a 1 / 16 - degree resolution using Bias - Correction Spatial Disaggregation (BCSD)(Wood et al. 2004) following Werner (2011).

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.

As a graduate student, my work focuses on land - atmosphere coupling and hydrologic extremes, and makes heavy use of supercomputers to run simulations of the climate system.

In order to download the hydrologic data, users are required to log - in to the page using an OpenID (link is external) account.

For the hydrologic projections, the GCM data were downscaled to a 1 / 16 - degree resolution using Bias - Correction Spatial Disaggregation (BCSD)(Wood et al. 2004) following Werner (2011).

PCIC Hydrologist Arelia Werner willpresented a talk titled, «Uncertainty in Simulating Hydrologic Extremes using Statistically Downscaled Climate Data.»

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.

Many impacts settings are somewhat tuned to a certain resolution, such as the nested size categorizations of hydrologic basins down to watershed size, commonly used in hydrologic modeling.

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.

The Variable Infiltration Capacity (VIC) hydrologic model set - up for the Fraser River basin, British Columbia, Canada was used as a test - bed for the two systems.

Outputs are tested using split - sample validation on 26 climate extremes indices (ClimDEX) and two hydrologic extremes indices (3 - day peak flow and 7 - day peak flow).

The Variable Infiltration Capacity model (VIC) hydrologic model setup for the Fraser River basin, British Columbia, Canada, was used as a test bed for the two systems.

Outputs are tested using split - sample validation on 26 climate extremes indices (ClimDEX) and two hydrologic extremes indices (3 day peak flow and 7 day peak flow).

Thus, we extend the VIC ensemble using a computationally efficient statistical emulation model, which approximates the combined output of the two - step process of statistical downscaling and hydrologic modeling, trained with the 23 member VIC ensemble.

Generation of an hourly meteorological time series for an alpine basin in British Columbia for use in numerical hydrologic modeling.

Every element of the hydrologic cycle, to some degree, is temperature dependent: when it snows versus when it rains; when it melts, how much evaporates; how much water the plants use; the length of the growing seasons.

Now we are expanding our Data Portal again, with our new Gridded Hydrologic Model Output Page, which provides access to gridded, high - resolution projections of hydrologic simulation data for four watersheds in British Columbia, generated at PCIC using the VIC hydrologiHydrologic Model Output Page, which provides access to gridded, high - resolution projections of hydrologic simulation data for four watersheds in British Columbia, generated at PCIC using the VIC hydrologihydrologic simulation data for four watersheds in British Columbia, generated at PCIC using the VIC hydrological model.

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.

Third, the special case of a hydrologic watershed is particularly relevant to the water cycle and its availability for power and consumptive uses.

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.

By comparing two similar watersheds, the team was able to accomplish three objectives: They refined predictions of how a fire in the upper Mission Creek watershed would affect hydrologic and sedimentary processes in the following rainy season, they identified the post-fire risk of flooding to downstream communities, and they provided information that local government agencies can and are using to assess current mitigation strategies and emergency response to potential flooding.

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.

Use soil and vegetation in a constructed technique, such as rain gardens or green roofs, to mimic natural hydrologic processes like percolation through soil and plant uptake and transpiration.

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.

2) For a paper that then uses models to make hydrologic forecasts for the future for the western U.S., see:

The water equivalent flight line data is used to update snow hydrologic models which are used in NWS river forecast center probabilistic spring flood outlooks, and river forecasting.

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].

SPU is helping to standardize green roof modeling methods through use of the Western Washington Hydrologic Model (WWHM), commonly used by stormwater design engineers.

Responsible for conducting hydrologic and hydraulic analysis by using techniques and models like HEC - HMS, HEC - RAS and FLO 2D

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