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Rainwater Harvesting and Stormwater Research is a priority research area identified by the Arizona Governor’s Blue Ribbon Panel on Water Sustainability, which recommended that universities take the lead to identify regulatory barriers, cost and benefits, water quality issues and avenues for increasing utilization of stormwater and rainwater at the regional, community and individual property level. In an effort to address the priority research area, the University of Arizona will develop a decision support tool to be used by public utilities and agencies to evaluate suitability and cost-effectiveness of rainwater and stormwater capture at various scales for multiple benefits. Data from the City of Tucson, Arizona...
Native Nations face unique challenges related to climate change, many of which are detailed in recent reports as part of the U.S. National Climate Assessment (Bennett et al. 2014; Hiza Redsteer et al. 2013). Native Americans have a deep connection to the natural environment within which their livelihoods, cultural identity, and spiritual practices are rooted. Changes to hydrologic regimes, landscapes, and ecosystems, in combination with socio-economic and political factors, amplify tribal vulnerabilities to climate change. In the Southwest, tribes are already experiencing a range of impacts that are at least partially related to climate change. They include serious water supply and water quality issues in the...
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Southern Nevada Water Authority will add new modeling and analytical capabilities to tools developed as part of a previous WaterSMART Climate Analysis Tools Grant that assessed impacts of climate change on water quality and sediment transport in Lake Mead. Project results are intended to increase an understanding of how water quality characteristics and nutrient levels in Lake Mead may be affected by climate change.
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The importance of riparian ecosystems in semiarid and arid regions has generated interest in understanding processes that drive the distribution and abundance of dominant riparian plants. Changes in streamflow patterns downstream of dams have profoundly affected riparian vegetation composition and structure. For example, in the southwestern United States, flow regulation has contributed to the replacement of many riparian forests historically dominated by the native Populus fremontii (Fremont Cottonwood) and Salix gooddingii (Goodding’s Willow) by the exotic species Tamarix spp. (Salt Cedar). The proposed project will help guide reservoir release decision making to enhance downstream recruitment of native cottonwood...
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Executive Summary: Evolution of policies that guide operation of individual reservoir systems begins with a relative flurry of activity associated with building of dams. Over perhaps a ten year period, operations are proposed in anticipation of construction, implemented when a dam is complete, and then modified as the effects, capabilities, and limitations of the project become better understood. After these initial adjustments, the policy process slowly begins to simmer. Operational changes are the driven by short-term influences that are largely episodic (e.g. droughts and floods) and long-term influences (e.g. social and economic factors) that affect operations more gradually.
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The Bird Conservancy of the Rockies will use, combine and optimize an array of remote sensing techniques to identify the most efficient process that characterizes grasslands and level of shrub component in those grasslands. The project will classify a pilot area, the Janos Grassland Priority Conservation Area, which contains the majority of the Janos Biosphere Reserve, using a variety of remote sensing approaches. In the process they will identify the best techniques for decomposing grass-shrub intermix at low densities and identify the best approaches for large scale application of remote sensing to classify the desert grasslands and shrublands.
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Southern Nevada Water Authority will add new modeling and analytical capabilities to tools developed as part of a previous WaterSMART Climate Analysis Tools Grant that assessed impacts of climate change on water quality and sediment transport in Lake Mead. Project results are intended to increase an understanding of how water quality characteristics and nutrient levels in Lake Mead may be affected by climate change.
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In practice, there are a number of challenges associated with formal consideration of the environment in water planning in large parts of the Desert LCC region. In Arizona, for example, there is no legal requirement to include the environment in water management or planning efforts (Megdal et al. 201 0). Therefore, there is little incentive to develop the additional tools and resources required to include the environment as a water demand sector. Appropriate inclusion of the environment into water planning requires conducting planning at a scale and geography that matches regional hydrology rather than political boundaries. Therefore, without explicit policy guidance from state government, regional stakeholders...
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Our approach will include sampling a wide range of habitats and environmental conditions throughout the middle and lower Pecos River basin, across an 18 month time-span to account for seasonal and phenological events. We will utilize a suite of univariate and multivariate statistical techniques to relate occurrence and density of golden alga to environmental factors and other co-occurring organisms. The proposed research will benefit managers of the Pecos River, of its associated reservoirs and unique habitats (sinkholes on the Bottomless Lakes State Park and Bitter Lakes National Wildlife Refuge), and of its resident aquatic biota by identifying specific water quality attributes that promote golden alga bloom development...
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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...
The Water Harvesting Assessment Toolbox is a prototype decision aid designed to help communities in the Southwest US understand the role water harvesting can play in meeting water resource challenges while providing multiple additional benefits. It also introduces water harvesting techniques and suggests ways to implement locally appropriate water harvesting efforts. The Toolbox is intended for a wide range of users. In order to make most effective use of the Toolbox, a local facilitator should convene a varied group of community personnel (water supply management, stormwater management, transportation, planning, engineering, etc.) to go through the water harvesting assessment process together. A separate Facilitator’s...
Categories: Data; Tags: Applications and Tools, Applications and Tools, Arizona, Conservation Planning, DLCC, All tags...
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REPORT PROJECT BACKGROUND: Golden alga (Prymnesium parvum) is a harmful algal species that is primarily found in marine ecosystems but is also present and invasive in brackish inland waters. The first documented bloom of golden alga in the United States occurred in the Pecos River in 1985. This species has since invaded other water bodies in the Pecos River basin (e.g. sinkhole habitats, reservoirs) and has been reported in at least 23 U.S. states. Toxins produced by golden alga can be lethal to fishes, bivalves, crayfish, and gilled amphibians. The ecological and economical impacts of golden alga blooms have been severe. Recent research suggests that the frequency and severity of golden alga blooms will increase...
Guide to Assessing Rainwater and Stormwater Harvesting Potential to Meet Multiple Challenges and Provide Multiple Benefits. The Water Resources Research Center established the Desert Water Harvesting Initiative to enhance outreach and communication between utilities, practitioners of water harvesting, academics, and interested citizens. The Initiative includes a two-year WaterSMART research grant to develop a decision guide to rainwater and stormwater harvesting; an online data clearinghouse for research and publications on water harvesting, low-impact development, and green infrastructure; and the Rainwater-Stormwater Professionals Networks (RSPN) that meets semi-annually at the WRRC to keep members abreast of...
Categories: Data; Tags: Applications and Tools, Applications and Tools, Arizona, Conservation Planning, DLCC, All tags...
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Sky Island Alliance (SIA) is a non-governmental organizational that works to protect and restore the rich natural heritage of native species and habitats in the Sky Island Region. We work with volunteers, scientists, land-owners, public officials, and government agencies to establish protected areas, restore healthy landscapes, and promote public appreciation of the region’s unique biological diversity. Because of our long-standing collaborative relationships with land managers and our large corps of skilled volunteers, we were in a unique position to spearhead this project.SIA initiated this springs inventory, assessment and management planning project to develop baseline information on springs in the Sky Island...
Categories: Data, Publication; Types: ArcGIS REST Map Service, Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2011, AZ-02, AZ-03, Arizona, Conservation NGOs, All tags...
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University of California Riverside’s Center for Conservation Biology will create a sustainable resource monitoring framework that will provide empirical data identifying if and how climate change is changing the composition and vitality of Joshua Tree National Park. These data will then help focus the Park’s resource management programs to help ensure the Park’s rich biodiversity can be sustained to the extent possible. A broader goal is to have this framework adopted across the surrounding public lands to then integrate data from multiple sites and land management philosophies to create an unambiguous picture of the impacts of climate change across the desert region.
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A strong data foundation is needed to inform science-based decisions for fisheries management at a watershed level. In preparation for a shift towards comprehensive watershed-scale planning, Arizona Game and Fish Department (AGFD) is developing a fisheries data management system with an initial focus on compiling and formatting several hundred thousand fish survey and stocking records. Fish data will be integrated within a Geographic Information System (GIS) by georeferencing observations to an existing national spatial framework (National Hydrography Dataset), which will allow for broader transferability to watersheds shared with neighboring states, creating a seamless layer not limited by state boundaries. In...
Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2012, AZ-01, AZ-02, AZ-03, AZ-04, All tags...
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ELCOM and CAEDYM are three-dimensional finite-difference codes; they were used to simulate three-dimensional transport and the interactions of flow, physics, biology, and chemistry in the reservoir. The study indicated that the hydrodynamic flow patterns within Boulder Basin are mainly driven by the Colorado River inflow, the Hoover Dam outflow, and meteorological parameters. However, the water quality of Boulder Basin is also affected by the load of nutrients from the Las Vegas Wash, which carries the treated wastewater effluents from municipal wastewater treatment plants, surface runoff, and groundwater discharges into the basin.The goal of this proposed project is to assess the potential for changes in water...
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The U.S. Forest Service plans to conduct forest restoration treatments through the Four Forest Restoration Initiative (4FRI) on hundreds of thousands of acres of ponderosa pine forest along the Mogollon Rim of Arizona over the next 20 years with the goals of reducing wildfire hazard and improving forest health. The 4FRI’s key objective is to thin and burn the forests to create within-stand openings that “promote snowpack accumulation and retention which benefit groundwater recharge and watershed processes at the fine (1 to 10 acres) scale.” However, little is known about how these openings created by restoration treatments affect snow water equivalence (SWE) and soil moisture, which are key parts of the water balance...
Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2013, AL-04, AZ-01, Academics & scientific researchers, Applications and Tools, All tags...
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...


map background search result map search result map Reducing Uncertainty Regarding Impacts of Climate Change on Biodiversity in the California Desert Utility Guide to Rainwater/Stormwater Harvesting as an Adaptive Response to Climate Change Resource Management in a Changing Climate: Understanding the Relationships between Water Quality and Golden Alga Distribution in the Pecos River, New Mexico and Texas A Landscape Approach for Fisheries Database Compilation and Predictive Modeling A Study of Climate Change Impacts on Water Quality and Internal Nutrient Recycling in Lake Mead, Arizona-Nevada Managing water and riparian habitats on the Bill Williams River with scientific benefit for other desert river systems Remote sensing to segregate grass and shrub mixed habitats in Janos Grassland Priority Conservation Area Report, Inventory and Assessment Protocols, Adaptation Plan, and Presentation for: Springs in the Sky Island Region: Inventory, Assessment, and Management Planning Project Final Report: A Landscape Approach to Fisheries Database Compilation and Predictive Modeling Final Report BOR R13AP80034 FY13: (A Study of Climate Change Impacts on Water Quality and Internal Nutrient Recycling in Lake Mead, Arizona-Nevada) Watershed Management Planning Materials and A Demonstration in the Upper Gila River Watershed Golden Alga Distribution and Water Quality Presentation: Three-dimensional Hydrodynamic and Water Quality Model for Lake Mead Resources: Managing water and riparian habitats on the Bill Williams River with scientific benefit for other desert river systems Final Report: Predicting Snow Water Equivalence (SWE) and Soil Moisture Response to Restoration Treatments in Headwater Ponderosa Pine Forests of the Desert LCC Reducing Uncertainty Regarding Impacts of Climate Change on Biodiversity in the California Desert A Study of Climate Change Impacts on Water Quality and Internal Nutrient Recycling in Lake Mead, Arizona-Nevada Final Report BOR R13AP80034 FY13: (A Study of Climate Change Impacts on Water Quality and Internal Nutrient Recycling in Lake Mead, Arizona-Nevada) Presentation: Three-dimensional Hydrodynamic and Water Quality Model for Lake Mead Managing water and riparian habitats on the Bill Williams River with scientific benefit for other desert river systems Resources: Managing water and riparian habitats on the Bill Williams River with scientific benefit for other desert river systems Remote sensing to segregate grass and shrub mixed habitats in Janos Grassland Priority Conservation Area Report, Inventory and Assessment Protocols, Adaptation Plan, and Presentation for: Springs in the Sky Island Region: Inventory, Assessment, and Management Planning Project Final Report: Predicting Snow Water Equivalence (SWE) and Soil Moisture Response to Restoration Treatments in Headwater Ponderosa Pine Forests of the Desert LCC Watershed Management Planning Materials and A Demonstration in the Upper Gila River Watershed Resource Management in a Changing Climate: Understanding the Relationships between Water Quality and Golden Alga Distribution in the Pecos River, New Mexico and Texas Golden Alga Distribution and Water Quality A Landscape Approach for Fisheries Database Compilation and Predictive Modeling Final Report: A Landscape Approach to Fisheries Database Compilation and Predictive Modeling Utility Guide to Rainwater/Stormwater Harvesting as an Adaptive Response to Climate Change