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Flood-Inundation Maps for the Schoharie Creek at Prattsville, New York Background and Problem Prattsville has experienced severe flooding along the Schoharie Creek, most notably during August 2011 following Hurricane Irene, which severely damaged or destroyed large areas of the town, and caused several million dollars in damages (Figure 1). Before and during a flood, forewarning and emergency response are critical. The rescue efforts of emergency responders are often hampered by lack of an understanding of where flooding is occurring at any given moment, but also where flooding is likely to occur in the near future. Emergency responders would benefit from a library of flood-inundation maps that are referenced to the stages recorded at the U.S. Geological Survey (USGS) streamgage in... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Cooperative Water Program, Flood Inundation, Flood Inundation, Flood Inundation, Flood Science, All tags... Flood Science, Flood Science, Greene County, New York, Schoharie Creek, USGS New York Water Science Center, WSC, Water Use and Availability Science, Water Use and Availability Science, Fewer tags Water-Surface Profiles and Discharges for Four Stream Reaches, Ithaca, Tompkins County N.Y. Background / Problem – The City of Ithaca, Tompkins County, N.Y., is in the process of developing a flood management plan for the streams that flow through the City. Flooding in the City is caused by a variety of distinct and sometimes interconnected reasons. Flooding often is a result of snowmelt and rain during the winter and spring. Slow ice-melt and breakup can lead to ice jams and subsequent flooding. Flash floods are produced by summer thunderstorms. All of these flood types are compounded by two factors: the storm-sewer system in the City and the elevation of Cayuga Lake. The storm sewers drain to the nearby streams at points below the tops of the streambanks. Because the streamward ends of the storm sewers... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Cascadilla Creek, Cayuga Inlet, Cooperative Water Program, Fall Creek, Flood Science, All tags... Flood Science, Flood Science, Floods and Droughts, Ithaca, New York, Sixmile Creek, Stream Hydraulics, Stream Hydraulics, Tompkins County, USGS New York Water Science Center, WSC, Water Use and Availability Science, Water Use and Availability Science, discharge, flood-management, flooding, hydraulic model, storm-sewer, streamflow, Fewer tags Effect of Flooding from Tropical Storm Irene on Fish Assemblages in the Upper Esopus Creek Basin Background The Upper Esopus Creek, a popular trout-fishing and recreational stream in the heart of the Catskill Mountains, received historic flooding from Tropical Storm Irene on August 28, 2011. Streamflows approached or surpassed the 1% annual exceedance probability (>100 year) flood levels at several USGS streamgages in this basin. Short-term flood impacts on biological assemblages have been assessed in several studies, but longer-term effects, recovery, and analysis of factors affecting ecosystem resiliency have rarely been investigated. The U. S. Geological Survey (USGS), New York City Department of Environmental Protection (NYCDEP), and Cornell Cooperative Extension of Ulster County (CCEUC) collaborated on... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Completed, Cooperative Water Program, Flood Inundation, Flood Inundation, Flood Inundation, All tags... Flood Science, Flood Science, Flood Science, New York, USGS New York Water Science Center, Upper Esopus Creek Basin, WSC, Water Use and Availability Science, Water Use and Availability Science, Fewer tags Comprehensive Delineation of Groundwater Source Areas and Times-of-travel to Long Island Streams and Estuaries Problem The discharge of freshwater and associated loading of nutrients and other dissolved constituents from the Long Island aquifer system to surrounding estuaries and their tributaries are increasingly recognized as critical factors in the health of these ecosystems. However, further work is needed to scientifically characterize these factors and present them to the public in an appropriate manner. Many organizations have undertaken assessments of this discharge and loading for discrete groundwater source areas and (or) receiving surface waters, applying a variety of techniques and assumptions. In part, this is because there is no delineation of recharge areas to the island’s groundwater-fed streams and estuaries... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Basin & Hydrogeologic Characterization, Basin & Hydrogeologic Characterization, Climate Change, Climate Research and Development, ClimateChange, All tags... Cooperative Water Program, Ecosystem Health, Ecosystem Health, Environments, Flood Science, Flood Science, Flood Science, Geospatial Applications, Geospatial Applications, Groundwater-Flow Modeling, Groundwater-Flow Modeling, Groundwater-Flow Modeling, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, Long Island, NY, New York, USGS New York Water Science Center, WSC, Water Use and Availability Science, Water Use and Availability Science, flow model, groundwater, nutrients, recharge, water quality, Fewer tags Assessment of compound flood risk from the combined effects of sea level rise on storm surge, tidal and groundwater flooding, and stormwater BACKGROUND Long Island Sound has 600 miles of coastline and there are over 23 million people living within 50 miles of its shores. In response to water-quality issues and nitrogen pollution in the Sound, Congress created the Long Island Sound Study (LISS) in 1985. LISS is a partnership of federal, state, and local government agencies, private organizations and educational institutions working together to restore and protect the Sound. The USGS New England and New York Water Science Centers are partners in the LISS. These organizations also have historical and ongoing work with other partners in the LISS study region. Although historically the focus of LISS has been on water quality issues, a “Sustainable and Resilient... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Coastal Science, Flood Hazards, Flood Science, Geospatial Applications, Long Island, All tags... Mapping Application Development, New York, SW Model, USGS New York Water Science Center, USGS New York Water Science Center, WSC, Water Use and Availability Science, compound flooding, groundwater, sea level rise, storm surge, Fewer tags An Analysis of Trends in the Magnitude of Floods in Urbanized Watersheds on Long Island, New York Summary: This study aims to do a thorough analysis of trends in peak streamflows on Long Island. Reliable information about the magnitude and frequency of floods is essential for flood insurance studies, flood-plain management, and the design of transportation and water-conveyance infrastructure, such as roads, bridges, culverts, dams, and levees. Federal, State, regional, and local officials need peak flow information to effectively plan and manage land use and water resources, protect lives and property in flood-prone areas, and determine flood-insurance rates, particularly in densely populated urban areas. Long Island is a regional economic driver which has experienced public health and safety issues due to extreme... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Cooperative Water Program, Flood Mitigation assessment, Flood Science, Groundwater and Streamflow Information, New York, All tags... Surface-Water Monitoring, USGS New York Water Science Center, WSC, Fewer tags Southeastern New York Tide-Telemetry and Coastal-Flood-Warning System The coastal areas of southeastern New York (fig. 1) are highly vulnerable to tidal flooding (fig. 2). Timely evacuation of people from flood-threatened areas in advance of approaching hurricanes and nor'easters (northeast coastal storms) requires adequate flood-warning time. To begin addressing this need for immediate information on coastal flooding, the U.S. Geological Survey (USGS), in cooperation with the Town of Hempstead Department of Conservation & Waterways, Village of Freeport, and New York State Department of Environmental Conservation, has operated a network of real-time tidal water-elevation and meteorological stations since 1997 in the coastal areas of Long Island and New York City. Each tidal water-elevation... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Climate Impacts, Climate Impacts, Climate impacts, Coastal Science, Coastal Science, All tags... Cooperative Water Program, Core Science Analytics, Synthesis, and Libraries, Flood Hazards, Flood Hazards, Flood Hazards, Flood Inundation, Flood Inundation, Flood Inundation, Flood Science, Flood Science, Flood Science, Floods and Droughts, GW or SW, GW or SW, GW or SW, Groundwater and Streamflow Information, Groundwater and Streamflow Information, Low Flow or Peak Flow, Low Flow or Peak Flow, Low flow or peak flow, New York, Stormwater, Stormwater, Stormwater, Surface-Water Monitoring, Surface-Water Monitoring, Surface-Water Monitoring, USGS New York Water Science Center, WSC, Water Use and Availability Science, Water Use and Availability Science, coastal areas of southeastern New York, Fewer tags Flood-Inundation Maps for the West Branch Delaware River, Delhi, New York Delhi has experienced severe flooding along the West Branch Delaware River (fig. 1); most notably during January, 1996, June, 2006, and October, 2010, and August, 2011. Emergency responders would benefit from a library of flood-inundation maps that are referenced to the stages recorded at the USGS streamgage upstream from Delhi. By referring to the appropriate map, emergency responders could discern the severity of flooding (depth of water and aerial extent), identify roads that are or will soon be flooded, and make plans for notification or evacuation of residents in harm’s way based on current and near-future flood levels. Digital flood-inundation maps for a 5 mile reach of the West Branch Delaware River through... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Completed, Cooperative Water Program, Delaware River Basin, Flood Inundation, Flood Inundation, All tags... Flood Inundation, Flood Science, Flood Science, Flood Science, Floods and Droughts, New York, USGS New York Water Science Center, WSC, Water Use and Availability Science, Water Use and Availability Science, Fewer tags Flood-Inundation Mapping for Schoharie Creek at North Blenheim, NY Background and Problem Flooding is a ubiquitous problem throughout New York State. The Schoharie Creek has experienced severe floods, including the devastating floods of August 2011 following Hurricane Irene, which severely damaged or destroyed many homes, businesses, roads, and other property within the Schoharie Valley. In North Blenheim, homes, the Blenheim Town Hall, fire hall, and maintenance hall were inundated; road were washed out and the historic covered bridge was destroyed. In addition to the flood of 2011, major floods occurred in April 1987, January 1996, and April 2005. Before and during a flood, forewarning and emergency response are critical to minimizing loss of life and property. The rescue efforts... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Cooperative Water Program, Flood Inundation, Flood Inundation, Flood Science, Flood Science, All tags... Floods and Droughts, New York, SW Model, SW model, Schoharie Creek, North Blenheim, Surface-Water Modeling, Surface-Water Modeling, USGS New York Water Science Center, WSC, Water Use and Availability Science, Fewer tags Simulation and Analysis of the Effects of Land-Use Changes and Stormflow Detention Basins on Flooding and Nonpoint-Source Pollution, in Irondequoit Creek Basin, Monroe and Ontario Counties, New York Problem - Urbanization of the 150-square-mile Irondequoit Creek basin in Monroe and Ontario Counties, N.Y., continues to spread southward and eastward from the City of Rochester. Conversion of forested land to other uses over the past 40 years has increased to the extent that more than 50 percent of the basin is now developed. This expansion has increased flooding and impaired stream-water quality in the northern (downstream) half of the basin. A precipitation-runoff model of the Irondequoit Creek basin could be used as a management tool by water-resources managers to better understand the hydrology of the basin, permit simulation of planned or hypothetical land-use changes, evaluate the adverse effects of future... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Climate Change, Climate Change, Climate Change, Completed, Cooperative Water Program, All tags... Flood Science, Flood Science, Flood Science, Groundwater and Streamflow Information, Groundwater and Streamflow Information, Irondequoit Creek, Monroe County, Ontario County, SW Model, SW Model, SW model, Surface-Water Monitoring, Surface-Water Monitoring, Surface-Water Monitoring, Surface-Water Quality Monitoring, Surface-Water Quality Monitoring, Surface-Water-Quality Monitoring, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water Use and Availability Science, Water Use and Availability Science, Water-Quailty Modeling, Water-Quailty Modeling, Water-Quality Modeling, Fewer tags Flood-inundation mapping of Egypt Creek, Dryden, Tompkins County Problem – Flooding is an annual problem along Egypt Creek in Dryden. Increased runoff from expanding development, sediment clogged channels, and undersized culverts that cannot convey increased flows contribute to the problem. Flood maps for extreme floods are available through the effective FEMA flood insurance study (FEMA, 1978), but these maps, which became effective in 1979, are considered no longer valid by the Village of Dryden owing to development in the basin, which presumably has increased runoff and, in at least one instance, encroached on the floodplain. In addition, similar data for lower, intermediate, and higher floods are non-existent. Emergency responders and the public would benefit from a series... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Cooperative Water Program, Egypt Creek, Flood Inundation, Flood Inundation, Flood Inundation, All tags... Flood Science, Flood Science, Flood Science, Geospatial Applications, Geospatial Applications, Mapping Application Development, Mapping Application Development, Mapping Applications Development, New York, Tompkins County, USGS New York Water Science Center, Village of Dryden, WSC, Water Use and Availability Science, Water Use and Availability Science, flood maps, lidar data, maps, Fewer tags Simulation of Streamflow and Water Quality by a Precipitation-Runoff Model of the Tonawanda Creek Basin in Western New York Problem Nutrients and sediment are generated by and removed from agricultural and urban areas, transported in streams, and ultimately delivered to the Great Lakes. The nutrients stimulate excessive algal growth and potentially cause noxious blooms and hypoxia. Sediment increases turbidity near stream mouths and, when deposited, can smother bottom-dwelling animals, drive fish from affected areas, and decrease water depth in navigation channels. An understanding of the hydrologic and water-quality processes that generate these loads will assist water-resources managers in making informed decisions regarding prevention or mitigation of these problems. A precipitation-runoff watershed model is a tool, which can... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Biogeochemical and Hydrologic Assessment, Biogeochemical and Hydrologic Assessment, BiogeochemicalandHydrologicAssessment, Cooperative Water Program, Ecosystem Health, All tags... Ecosystem Health, Flood Science, Flood Science, Flood Science, New York, SW Model, SW Model, SW model, Surface-Water Modeling, Surface-Water Modeling, Surface-Water Modeling, Tonawanda Creek Basin, USGS New York Water Science Center, WQ Model, WQ Model, WQ model, WSC, Water Quality, Water Quality, Water Use and Availability Science, Water Use and Availability Science, Water-Quailty Modeling, Water-Quailty Modeling, Water-Quality Modeling, Fewer tags Assessment of stormwater control measures at the Niagara River Greenway Project, Buffalo, New York Background The proposed study will examine any existing data from the monitoring wells, weather station, and flow through the storm sewer system (supplied by Buffalo Sewer Authority) to determine the dynamics of the system during storm events. Further analysis using all available information is needed to fully understand the relationship of events to the implementation of Green Infrastructure stormwater-control measure effectiveness. Questions to be addressed include: How do pipe flows and groundwater levels respond to storms? Can the data be used to quantify water-budget components at the site? To what extent can the effect of the Green Infrastructure in reducing stormwater volumes and peaks be quantified? Based... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Buffalo, Flood Science, Flood Science, Groundwater Monitoring, Groundwater and Streamflow Information, All tags... Groundwater and Streamflow Information, New York, Stormwater, Stormwater, Stormwater, Surface-Water Monitoring, Surface-Water Monitoring, Surface-Water Quality Monitoring, Surface-Water-Quality Monitoring, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water Use and Availability Science, Water Use and Availability Science, Fewer tags Flood-Inundation Maps for Four Stream Reaches, Ithaca, Tompkins County, New York Problem The City of Ithaca, Tompkins County, N.Y., is in the process of developing a flood management plan for the streams that flow through the City. Flooding in the City is an annual problem caused by a variety of distinct and sometimes interconnected reasons. Flooding often is a result of snowmelt and rain during the winter and spring. Slow ice-melt and breakup can lead to ice jams and subsequent flooding. Flash floods are produced by summer thunderstorms. All of these flood types are compounded by two factors: the storm-sewer system in the City and the elevation of Cayuga Lake. The storm sewers drain to the nearby streams at points below the tops of the streambanks. Because the streamward ends of the storm sewers... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Cascadilla Creek, Cayuga Inlet, Cooperative Water Program, Fall Creek, Flood Inundation, All tags... Flood Inundation, Flood Inundation, Flood Science, Flood Science, Flood Science, Floods and Droughts, Ithaca, NY, New York, Sixmile Creek, Tompkins County, USGS New York Water Science Center, WSC, Water Use and Availability Science, Water Use and Availability Science, Fewer tags Floods of 2011 in New York Background / Problem Hurricane Irene Figure 1 shows the declared counties for Hurricane Irene (FEMA) Five to ten inches of rain from Hurricane Irene produced widespread moderate to major flooding throughout eastern New York August 28-30. Highest rainfall totals occurred in the Catskill Mountains of southeastern New York where over 18-inches of rain was reported at Maplecrest, NY. Record water-surface elevations and streamflows were recorded at 60 USGS streamgages and 2 lake/reservoirs. Provisional recurrence intervals of peak flows exceeded the 100-yr flood (1 percent annual chance flood) at 25 USGS streamgages. Provisional recurrence intervals of peak flows exceeded the 500-yr flood (0.2 percent annual chance... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Completed, Cooperative Water Program, Delaware River Basin, Flood Inundation, Flood Inundation, All tags... Flood Inundation, Flood Science, Flood Science, Flood Science, Floods and Droughts, New York, USGS New York Water Science Center, WSC, Water Use and Availability Science, Water Use and Availability Science, statewide, Fewer tags