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Publication and Report: Ecosystem Water Balance in a Desert Grassland ​Abstract: Climate change predictions include warming and drying trends, which are expected to be particularly pronounced in the southwestern United States. In this region, grassland dynamics are tightly linked to available moisture, yet it has proven difficult to resolve what aspects of climate drive vegetation change. In part, this is because it is unclear how heterogeneity in soils affects plant responses to climate. Here, we combine climate and soil properties with a mechanistic soil water model to explain temporal fluctuations in perennial grass cover, quantify where and the degree to which incorporating soil water dynamics enhances our ability to understand temporal patterns, and explore the potential consequences... Categories: Data, Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2012, AZ-02, AZ-03, AZ-04, Academics & scientific researchers, All tags... Applications and Tools, Arizona, Big Bend ‐ Río Bravo & Lower Río Conchos Pilot Area, CA-08, CO-03, California, Chihuahua, Chihuahuan Desert, Colorado Plateau, Conservation NGOs, Data.gov Desert LCC, Datasets/Database, Decision Support, EARTH SCIENCE > BIOSPHERE > VEGETATION, Federal resource managers, LCC Network Science Catalog, Mexico, Mojave Desert, Mojave Desert Pilot Area, NM-02, NV-03, NV-04, New Mexico, Population & Habitat Evaluation/Projection, Publication, Report, Sonora, Sonoran Desert, TX-16, TX-23, Transboundary Madrean Watersheds Pilot Area, UT-02, UT-03, United States, User Manual, Utah, Vulnerability Assessment, biota, climate change, completed, desert southwest, ecohydrology, plants, product, soil water, vegetation change, water availability, Fewer tags Improving Seasonal Water Supply Predictions and Water Management in the Upper Rio Grande River Basin through use of Enhanced Observations of Snowfall, Snowpack and Physics-Based Modeling Systems This project aims to improve seasonal water supply forecasts on the Upper Rio Grande River basin and, in doing so, help to minimize the substantial costs associated with erroneous forecasts and related sub-optimal allocations of water for surface irrigation, groundwater recharge and endangered specifies management. Erroneous seasonal water supply forecasts in the Upper Rio Grande River basin have a profound impact on water management, agricultural production and economic vitality.The specific goals of this project are to: Develop state-of the art precipitation and snowpack monitoring products through the use of experimental radar, surface observations and land data assimilation systems Improve the spatial and... Categories: Data, Project; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, GeoTIFF, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Raster; Tags: CO-03, Colorado, Colorado, Data Acquisition and Development, Federal resource managers, All tags... LCC, LCC Network Science Catalog, Monitoring, NM-03, New Mexico, New Mexico, Project, SRLCC, State agencies, Streamflows, Upper Rio Grande, Upper Rio Grande, colorado, completed, hydrologic planning, hydrologic planning, hydrologic planning, new mexico, physics-based hydrologic modeling, physics-based hydrologic modeling, physics-based hydrologic modeling, precipitation monitoring, precipitation monitoring, precipitation monitoring, snowpack monitoring, snowpack monitoring, snowpack monitoring, srlcc, streamflow predictions, streamflow predictions, streamflow predictions, upper rio grande basin, water, water, water, water supply forecasting, water supply forecasting, water supply forecasting, Fewer tags Watershed Disturbance and Restoration Impacts on Hydrologic Function Relative to Increased Snowmelt Water Yields, Stream Water Quality, and Species Conservation in the Jemez Mountains, New Mexico: Model Calibration and Validation on a Landscape Scale The overall project goal is to understand and model the watershed impacts of forest restoration actions (thinning, prescribed fire) and climate change on the hydrologic function, particularly with respect to (1) changes in soil moisture and water yield during snowmelt, (2) inter-annual and directional changes in stream water quality, and (3) the resulting impacts on watershed management for wildlife species threatened by disturbance and climate change.Specifically, we will: use known relationships of forest structure on snow-water equivalent (SWE) values and processes of sublimation (ablation), infiltration and run-off in the Jemez Mountains of northern New Mexico to model forest-stand restoration prescriptions,... Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Cultural Resources, Decision Support, Federal resource managers, Informing Conservation Delivery, Jemez Mountains, All tags... Jemez Mountains, Jemez River, LCC, LCC Network Science Catalog, NM-03, Native Fish, New Mexico, New Mexico, Project, SRLCC, State agencies, Streamflows, Tribes, Upper Rio Grande, Upper Rio Grande, Valles Caldera, climate change, climate change, completed, forest restoration, forest restoration, forest structure, forest structure, forest thinning, forest thinning, prescribed fire, prescribed fire, snowmelt, snowmelt, soil moisture, soil moisture, stream water yield, stream water yield, streamflows, streamflows, upper rio grande basin, water, water, watershed management, watershed management, Fewer tags Evaluation of Decision Support System Platforms and Tools for Integrated Water Management in the Colorado River Basin The project will result in recommendations for a decision support platform that links coarse and fine scale tools and for improving the Colorado River Simulation System (CRSS) as the central analytical tool for basinwide water supply planning. The work will largely be accomplished by assembling an exceptionally qualified team in cross-disciplinary, water management decision support systems, in the CRSS, and in two finer scale water management decision supports within the basin and by responding to an advisory group oflead water management agencies.The project will immediately build on the Colorado River Basin Water Supply and Demand Study being led by the U.S. Bureau of Reclamation, will extend the interface between... Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: AZ-01, AZ-02, AZ-03, AZ-04, AZ-05, All tags... AZ-06, AZ-07, AZ-08, AZ-09, Arizona, CA-08, CA-36, CA-51, CO-02, CO-03, California, Colorado, Colorado River Basin, Colorado River Basin, Conservation Planning, Decision Support, Federal resource managers, Green River Basin, LCC, LCC Network Science Catalog, NM-02, NM-03, NV-01, NV-03, NV-04, Native Fish, Nevada, New Mexico, Project, SRLCC, State agencies, Streamflows, UT-01, UT-02, UT-03, Utah, WY-00, Wyoming, completed, decision support systems, decision support systems, decision support tools, decision support tools, ecological flows, ecological flows, water, water, water management, water management, water supply planning, water supply planning, Fewer tags WaterSMART: Building Decadal Prediction of Extreme Climate for Managing Water Supply in Intermountain West By collaborating with water managers and combining climate modeling and paleoclimate methods, the project team will incorporate prediction tools to assess risk of extreme wet/dry climate conditions for the next 10-15 years (i.e. decadal prediction). Our target area is the Wasatch Range Metropolitan Area that includes Salt Lake City one of the largest population centers within the Southern Rockies LCC. We will focus on projecting future water availability and quality with a specific goal for decadal prediction. The project team has partnered with numerous water agencies in the Wasatch Range who have made in-kind contributions towards this project. This partnership guarantees that the results will be disseminated,... Categories: Data, Project; Types: Downloadable, GeoTIFF, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Raster; Tags: Decision Support, Federal resource managers, LCC, LCC Network Science Catalog, Project, All tags... Regional & county planners, SRLCC, State agencies, Streamflows, UT-01, UT-02, UT-04, Utah, Utah, Wasatch Front, Wasatch Front, Wasatch Mountains, Wasatch Range, climate change, climate change, climate modeling, climate modeling, completed, decadel prediction, decadel prediction, paleoclimate, paleoclimate, tree-ring data, tree-ring data, water, water, water availability, water availability, water quality, water quality, water scarcity, water scarcity, Fewer tags Impact of Ecosystem Water Balance on Desert Vegetation: Quantification of Historical Patterns and Projection under Climate Change Explore climate change impacts on vegetation across the Desert and Southern Rockies LCCs using historical monitoring data collected from 23 sites across the Sonoran, Chihuahuan, Mojave and Colorado Plateau deserts for 30-50 years. This data will then be combined with ecosystem water balance model simulations to establish features of water availability critical for plant species response. Results will allow managers to identify species and communities at risk under future climate scenarios based on predicted changes in plant water availability. Due to the high variability in soils, incorporating a detailed understanding of soil water availability beyond bioclimatic envelope approaches in the desert Southwest is essential... Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2012, AZ-02, AZ-03, AZ-04, Academics & scientific researchers, All tags... Applications and Tools, Arizona, Big Bend ‐ Río Bravo & Lower Río Conchos Pilot Area, CA-08, CO-03, California, Chihuahua, Chihuahuan Desert, Colorado Plateau, Conservation NGOs, Datasets/Database, Decision Support, Desert Landscape Conservation Cooperative, EARTH SCIENCE > BIOSPHERE > VEGETATION, Federal resource managers, LCC, LCC Network Science Catalog, Mexico, Mojave Desert, Mojave Desert Pilot Area, NM-02, NV-03, NV-04, New Mexico, Population & Habitat Evaluation/Projection, Project, Sonora, Sonoran Desert, TX-16, TX-23, Transboundary Madrean Watersheds Pilot Area, UT-02, UT-03, United States, User Manual, Utah, Vulnerability Assessment, biota, climate change, completed, desert southwest, ecohydrology, plants, soil water, vegetation change, water availability, Fewer tags Soil Vulnerability to Future Climate Change in the Southern Rockies LCC, with Implications for Vegetation Change and Water Cycle The Conservation Biology Institute is developing a tool that managers in all watersheds of the Southern Rockies Landscape Conservation Cooperative can use to project the effects of climate change on soil vulnerability conditions and help resource managers develop appropriate strategies to mitigate negative climate impacts.Specifically, they will develop a spatially-explicit soil vulnerability index for the Southern Rockies Landscape Conservation Cooperative that can be used to forecast short-term response of plants to current drought conditions and test a vegetation model of plant response to drought.Conservation Biology Institute will use the soil vulnerability index to compare historical and future simulations... Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: AZ-01, AZ-04, Applications and Tools, Arizona, CO-02, All tags... CO-03, CO-05, Colorado, Conservation Planning, Datasets/Database, Federal resource managers, Four Corners, GIS, GIS, Green River Basin, LCC, LCC Network Science Catalog, Map, NM-01, NM-02, NM-03, New Mexico, Project, SRLCC, SRLCC, State agencies, Tribes, UT-01, UT-02, UT-03, Upper Rio Grande, Utah, Vulnerability Assessment, Wyoming, climate change, climate change, completed, soil vulnerability, soil vulnerability, vegetation change, vegetation change, water cycling, water cycling, Fewer tags The Impact of Ecosystem Water Balance on Desert Vegetation: Quantification of Historical Patterns and Projection Under Climate Change (Not listed in the LCC Science Catalog due to Desert LCC co-funding and catalog administering) In the desert Southwest, changes in species composition, abundance, and distribution that may occur with climate change have significant implications for management of natural resources. These changes include: the extirpation or introduction of species, losses of biodiversity, shifts in structure and function of ecosystems and the services they provide, changes in wildlife habitat, invasion of non-native species, and changes in fire regimes. For planning, mitigation, and adaption, land managers would be greatly aided by knowing, in advance, which plant species, functional types, and assemblages will change in response to climate change so that monitoring and mitigation measures can focus on those resources. FY2012In... Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: AZ-01, AZ-04, Arizona, Arizona, CO-02, All tags... CO-03, CO-05, Colorado, Decision Support, Federal resource managers, Informing Conservation Delivery, LCC, LCC Network Science Catalog, NM-01, NM-02, NM-03, New Mexico, New Mexico, Project, SRLCC, SRLCC, State agencies, Tribes, UT-01, UT-02, UT-03, Utah, climate change, climate change, completed, desert, desert, ecohydrology, ecohydrology, historic patterns, historic patterns, plants, plants, soil water, soil water, vegetation change, vegetation change, water availability, water availability, Fewer tags Improving Crop Coefficients for the Middle Rio Grande Water resource managers rely on hydrologic planning and decision-making models to understand and evaluate current and future water operations in the face of endangered species needs, drought, and climate change. Current climate change projections, such as those used in the West-Wide Climate Risk Assessment programs, are trending toward more extreme instances of drought within the Southern Rockies LCC region. Accurately estimating agricultural water consumption both under present conditions and under modeled future scenarios will help water resource managers project how much water might be available for allocation toward current ecological projects. It will also improve their understanding of the challenges a more... Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Decision Support, Federal resource managers, Informing Conservation Delivery, LCC, LCC Network Science Catalog, All tags... Middle Rio Grande, NM-01, NM-02, NM-03, New Mexico, New Mexico, Project, SRLCC, State agencies, Streamflows, Upper Rio Grande, Upper Rio Grande, Upper Rio Grande Basin, agricultural water use, agricultural water use, climate change, climate change, completed, crop coefficients, crop coefficients, drought, drought, evapotranspiration, evapotranspiration, hydrologic planning, hydrologic planning, Fewer tags Linking Forest Landscape Management and Climate Change to the Conservation of Riparian Habitat in the Grand Canyon Northern Arizona University will study how forest treatment practices and climate change may impact water balance across the Kaibab Plateau and critical habitats in lower elevations of the Grand Canyon. The project will include use of a forest landscape simulation model to examine how fuel treatments and prescribed burning will affect the resilience of forest ecosystems. The project will also address whether those activities would benefit the conservation of downstream riparian habitat by mitigating anticipated changes in the stream flow and water quality.The model will assist managers in developing, adaptation strategies for the conservation of riparian habitats by testing a range of realistic fuel treatment and... Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: AZ-01, Arizona, Arizona, Conservation NGOs, Decision Support, All tags... Federal resource managers, Grand Canyon, Grand Canyon, Informing Conservation Delivery, Kaibab Plateau, Kaibab Plateau, LCC, LCC Network Science Catalog, Project, SRLCC, Tribes, aquatic, aquatic, climate change, climate change, completed, fire, fire, forest restoration, forest restoration, fuel treatments, fuel treatments, prescribed fire, prescribed fire, riparian, riparian, riparian habitat, riparian habitat, simulation models, simulation models, stream flow, stream flow, water, water, water balance, water balance, water quality, water quality, Fewer tags Webinar: Grassland Vulnerability to Climate Change in Southwest Deserts Climate change predictions include warming and drying trends, which are expected to be particularly pronounced in the southwestern United States. In this region, grassland dynamics are tightly linked to available moisture, yet it has proven difficult to resolve what aspects of climate drive vegetation change.Here, we combine climate and soil properties with a mechanistic soil water model to explain temporal fluctuations in perennial grass cover, quantify where and the degree to which incorporating soil water dynamics enhances our ability to understand temporal patterns, and explore the potential consequences of climate change by assessing future trajectories of important climate and soil water variables.Our analyses... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, Conservation NGOs, Data.gov Desert LCC, EARTH SCIENCE > BIOSPHERE > VEGETATION, Federal resource managers, All tags... LCC Network Science Catalog, biota, chihuahuan desert, chihuahuan desert, climate change, climate change, colorado plateau, colorado plateau, completed, ecohydrology, ecohydrology, grasslands, grasslands, historic patterns, historic patterns, presentation, product, soil water, soil water, sonoran desert, sonoran desert, vegetation change, vegetation change, water availability, water availability, Fewer tags Vulnerability Assessments: Synthesis and Application for Aquatic Species and their Habitats This project will build upon a recently completed synthesis product for the Southwest and review and analyze vulnerability assessments of aquatic species and habitats within the Southern Rockies Landscape Conservation Cooperative. Southwestern riparian systems support a disproportionate amount of the regional biodiversity and are likely to be strongly affected by changes in climate with a concordant disproportionate effect on surrounding landscapes and features. The SRLCC encompasses the Upper Colorado River Basin and a portions of the Lower Colorado and Rio Grande Basins. These systems represent some of the most critical water sources in the west and are likely to experience some of the most extreme changes in... Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: AZ-01, AZ-04, Arizona, CO-02, CO-03, All tags... CO-05, Colorado, Colorado River Basin, Conservation NGOs, Decision Support, Federal resource managers, LCC, LCC Network Science Catalog, Map, NM-01, NM-02, NM-03, New Mexico, Project, Rio Grande River Basin, SRLCC, SRLCC, State agencies, UT-01, UT-02, UT-03, Utah, Vulnerability Assessment, aquatic, aquatic, aquatic habitat, aquatic habitat;, aquatic species, aquatic species, climate change, climate change, completed, fish, fish, riparian, riparian, synthesis, synthesis, vulnerability assessment, vulnerability assessment, wildlife, wildlife, Fewer tags Modeled Streamflow Metrics on Small, Ungaged Stream Reaches in the Upper Colorado River Basin Modeling streamflow is an important approach for understanding landscape-scale drivers of flow and estimating flows where there are no streamgage records. In this study conducted by the U.S. Geological Survey in cooperation with Colorado State University, the objectives were to model streamflow metrics on small, ungaged streams in the Upper Colorado River Basin and identify streams that are potentially threatened with becoming intermittent under drier climate conditions. The Upper Colorado River Basin is a region that is critical for water resources and also projected to experience large future climate shifts toward a drying climate. A random forest modeling approach was used to model the relationship between streamflow... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: EARTH SCIENCE > LAND SURFACE > LANDSCAPE, LCC Network Science Catalog, LCC Network Science Catalog, Report, Upper Colorado River Basin, All tags... completed, environment, product, random forest, streamflow, streamflow modeling, Fewer tags Science-Based Riparian Restoration Planning on the Colorado and Dolores Rivers: A Decision Support Tool and Investigation of Habitat Complexity at Tributary Junctions Stream flow in the Colorado River and Dolores River corridors has been significantly modified by water management, and continued flow alteration is anticipated in future decades with projected increases in human water demand. Bottomland vegetation has been altered as well, with invasion of non-native species, increases in wildfire and human disturbance, and currently, rapid shifts in riparian communities due to biological and mechanical tamarisk control efforts. In light of these conditions, land managers are in need of scientific information to support management of vegetation communities for values such as healthy populations of sensitive fish and wildlife species and human recreation. We propose to address these... Categories: Data, Project; Types: Downloadable, GeoTIFF, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Raster; Tags: CO-03, Colorado, Colorado River, Conservation NGOs, Decision Support, All tags... Dolores River, Federal resource managers, Informing Conservation Delivery, LCC, LCC Network Science Catalog, Native Fish, Project, SRLCC, State agencies, Streamflows, UT-03, Upper Colorado River Basin, Utah, Utah, aquatic, aquatic, completed, decision support tool, decision support tool, native species, native species, non-native species, non-native species, riparian, riparian, riparian habitat, riparian habitat, riparian restoration, riparian restoration, streamflows, streamflows, Fewer tags National Wetland Inventory Mapping for the Colorado Portion of the SRLCC Without reliable spatial data for wetland and riparian areas, it is impossible for land managers to accurately assess the distribution of critical aquatic habitats and model potential impacts caused by climate change. Wetlands in the Southern Rockies are particularly important for wildlife habitat, as they are often far more productive than the surrounding uplands. In addition, wetlands are an integral component of regional hydrologic cycles through their role in flood abatement, storm water retention, groundwater recharge, and water quality improvement.Colorados wetlands were mapped by the FWS early 1980 and in late 1990, and though the maps exist, they were created for print and most are not useful as digital... Categories: Data, Project; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Applications and Tools, CO-03, Colorado, Colorado, Conservation NGOs, All tags... Conservation Planning, Datasets/Database, Federal resource managers, Four Corners, GIS, GIS, Green River Basin, LCC, LCC Network Science Catalog, Map, Project, SRLCC, SRLCC, State agencies, Upper Rio Grande, Western Colorado, Western Colorado, completed, national wetland inventory, national wetland inventory, riparian areas, riparian areas, water, water, wetlands, wetlands, wetlands, Fewer tags Predicted specific minimum flow Our objective was to model specific minimum flow (mean of the annual minimum flows divided by drainage area [cubic feet per second per square mile]) on small, ungaged streams in the Upper Colorado River Basin. Modeling streamflows is an important tool for understanding landscape-scale drivers of flow and estimating flows where there are no gaged records. We focused our study in the Upper Colorado River Basin, a region that is not only critical for water resources but also projected to experience large future climate shifts toward a drier climate. We used a random forest modeling approach to model the relation between specific minimum flow on gaged streams (115 gages) and environmental variables. We then projected... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Data, EARTH SCIENCE > LAND SURFACE > LANDSCAPE, LCC Network Science Catalog, LCC Network Science Catalog, Random forests, All tags... Streamflow, Streamflow modeling, Ungaged streams, Upper Colorado River Basin, completed, environment, product, Fewer tags Final Report: A Landscape Approach to Fisheries Database Compilation and Predictive Modeling Executive Summary: Fisheries data compilation efforts for this project fell within two large watersheds in Arizona; the Verde River watershed (Desert LCC) and the Little Colorado River watershed (Southern Rockies LCC). We divided the project into two phases; 1) data compilation for the Arizona Game and Fish Fisheries Information Systems (FINS) and 2) a demonstration of FINS through model development and species distribution data. During phase 1, we compiled, cleaned, assigned National Hydrography Dataset (NHD) reach codes to historical data for 113,230 fish records in the Verde River watershed and 43,828 fish records from the Little Colorado River watershed. These records were standardized to meet the Arizona Game... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2012, AZ-01, AZ-02, AZ-03, AZ-04, All tags... AZ-05, AZ-06, AZ-07, AZ-08, AZ-09, Academics & scientific researchers, Arizona, Conservation NGOs, Data Management and Integration, Data.gov Desert LCC, Datasets/Database, Decision Support, EARTH SCIENCE SERVICES > DATA MANAGEMENT/DATA HANDLING, Federal resource managers, GIS, GIS, LCC Network Science Catalog, NM-01, NM-02, NM-03, New Mexico, Population & Habitat Evaluation/Projection, Presentation, Publication, Report, State agencies, Transboundary Madrean Watersheds Pilot Area, United States, aquatic, biota, climate change, climate change, completed, fish, invasive species, invasive species, riparian, water management, water management, water use, water use, Fewer tags Predicted 7-day minimum flow Our objective was to model 7-day minimum flow (mean of the annual minimums of a 7-day moving average for each year [cubic feet per second]) on small, ungaged streams in the Upper Colorado River Basin. Modeling streamflows is an important tool for understanding landscape-scale drivers of flow and estimating flows where there are no gaged records. We focused our study in the Upper Colorado River Basin, a region that is not only critical for water resources but also projected to experience large future climate shifts toward a drier climate. We used a random forest modeling approach to model the relation between 7-day minimum flow on gaged streams (115 gages) and environmental variables. We then projected 7-day minimum... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Data, EARTH SCIENCE > LAND SURFACE > LANDSCAPE, LCC Network Science Catalog, LCC Network Science Catalog, Random forests, All tags... Streamflow, Streamflow modeling, Ungaged streams, Upper Colorado River Basin, completed, environment, product, Fewer tags Modeling Low Stream Flows and Assessing the Ecological Impacts of Potential Stream Drying under Climate Change in the Upper Colorado River Basin Streamflows in late spring and summer have declined over the last century in the western U.S. and mean annual streamflow is projected to decrease by six to 25% over the next 100 years. In arid and semi-arid regions of the western US, it is likely that some perennial streams will shift to intermittent flow regimes in response to climate-driven changes in timing and magnitude of precipitation, runoff, and evaporation. The project will address the following two research question: how will small stream (1st-3rd order) low flow hydrology be impacted by predicted longer, drier summers in the Upper Colorado River Basin under climate change and in turn, what will be the resulting impacts on riparian plant communities?... Categories: Data, Project; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: AZ-01, Applications and Tools, Arizona, CO-03, Colorado, All tags... Colorado Plateau, Conservation NGOs, Conservation Planning, Decision Support, Federal resource managers, Four Corners, GIS, GIS, Green River Basin, LCC, LCC Network Science Catalog, NM-03, Native Fish, New Mexico, Project, SRLCC, SRLCC, SRLCC boundary, Southern Rocky Mountains, State agencies, Streamflows, UT-01, UT-02, UT-03, Upper Colorado River Basin, Upper Colorado River Basin, Upper Colorado River Basin, Upper Rio Grande, Utah, Vulnerability Assessment, WY-00, Wasatch and Uinta Mountains, Wyoming, climate change, climate change, completed, low flow hydrology, low flow hydrology, riparian, riparian, riparian vegetation, riparian vegetation, small streams, small streams, stream drying, stream drying, stream drying, stream flows, streamflows, streamflows, upper colorado river basin, Fewer tags Predicted frequency of low-flow pulse events Our objective was to model frequency of low-pulse events on small, ungaged streams in the Upper Colorado River Basin. Modeling streamflows is an important tool for understanding landscape-scale drivers of flow and estimating flows where there are no gaged records. We focused our study in the Upper Colorado River Basin, a region that is not only critical for water resources but also projected to experience large future climate shifts toward a drier climate. We used a random forest modeling approach to model the relation between frequency of low-pulse events on gaged streams (115 gages) and environmental variables. We then projected frequency of low-pulse events to ungaged reaches in the Upper Colorado River Basin... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Data, EARTH SCIENCE > LAND SURFACE > LANDSCAPE, LCC Network Science Catalog, LCC Network Science Catalog, Random forests, All tags... Streamflow, Streamflow modeling, Ungaged streams, Upper Colorado River Basin, completed, environment, product, Fewer tags 1 2 3 »