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New York. Pleistocene scourway between Marcellus and South Onondaga. 1902.
Categories: Image; Tags: New York, photo print
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New York. Gorge of Fall Creek at Ithaca. View downstream, with the crest of Ithaca Falls in the distance. The buttresses at the right are partly determined by joints. Circa 1895.
Categories: Image; Tags: New York, photo print
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New York. Estuary of Eighteenmile Creek. Circa 1895. Photos ggk00991 and ggk0991a form a panorama.
Categories: Image; Tags: New York, photo print
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New York. Stone wall east of Watertown built of limestone boulders rounded on a beach of the Iroquois shore line. Circa 1895.
Categories: Image; Tags: New York, photo print
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New York. Iroquois shore line near Pierpont Manor in Jefferson County. The field represents a shoal near the water's edge. The finer parts of the drift have been carried away and the boulders left. Gilbert Van Ingen in the photograph. 1895.
Categories: Image; Tags: New York, photo print
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New York. Gorge in shale in Watkins Glen at Watkins. Circa 1895. Plate 57-C, U.S. Geological Survey Professional paper 60.
Categories: Image; Tags: New York, photo print
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New York. Nodular structure in Medina Shale in the Niagara Gorge. Circa 1889.
Categories: Image; Tags: New York, photo print
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New York. Drumlin midway between Newark and Clifton, looking southwest. 1902.
Categories: Image; Tags: New York, photo print
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New York. Curved joints in Niagara Limestone near the Erie Railway at Niagara Falls. Circa 1889.
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New York. Drainage ditch in Orleans County, showing second peat layer in the marl. June 1947.
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New York. Giant ripples in Medina Sandstone at Lewiston. Circa 1889.
Categories: Image; Tags: New York, photo print
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New York. Estuary of Twelvemile Creek. Circa 1889.
Categories: Image; Tags: New York, photo print
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New York. Deep pool below the Whirlpool in the Niagara Gorge, viewed from the Canadian side. Beyond the pool is the rapid opposite Foster Flat. 1895.
Categories: Image; Tags: New York, photo print
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New York. Trees near the lower falls of Genesee River near Rochester. Each winter these trees are coated with ice from the spray of the falls, and their branches are thus bent down. Photo by W.W. Gilbert, circa 1895.
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Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay Nontidal Network (NTN) stations for the period 1985 through 2018. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression approach called WRTDS (Weighted Regression on Time, Discharge, and Season). The load results represent the total mass of nitrogen, phosphorus, and suspended sediment that was exported from each of the NTN watersheds. To determine the trend in loads, the annual load results are flow normalized to integrate out the year-to-year variability in river discharge....
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Groundwater residence times were simulated for the major regional aquifers of the Northern Atlantic Coastal Plain aquifer system from New York to North Carolina using particle tracking in a regional groundwater flow model. Millions of particles were distributed throughout the aquifers of the North Atlantic Coastal Plain in a MODFLOW model with a volume-weighted algorithm, then tracked backwards using MODPATH6 (Pollock, 2012) until termination of their paths at their sources of origin, usually the simulated water table. Particles were tracked under simulated transient hydrologic conditions from the reference time of January 1, 2018 backwards to 1900, then under simulated steady-state conditions prior to 1900 until...
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Measures used to assess trends in the 10th, 50th, and 90th quantiles of annual peak streamflow from 1916-2015 at 2,683 U.S. Geological Survey stations and within 191 4-digit HUCs in the conterminous United States. Linear quantile regression was applied to the selected quantiles of log-transformed annual peak streamflow to represent trends for a range of flood frequencies from small, common floods to large, infrequent floods. Comparative trends in pairs of quantiles were characterized as coherent, convergent, or divergent by comparing the slopes of linear quantile regression equations.
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Understanding how sea-level rise will affect coastal landforms and the species and habitats they support is critical for crafting approaches that balance the needs of humans and native species. Given this increasing need to forecast sea-level rise effects on barrier islands in the near and long terms, we are developing Bayesian networks to evaluate and to forecast the cascading effects of sea-level rise on shoreline change, barrier island state, and piping plover habitat availability. We use publicly available data products, such as lidar, orthophotography, and geomorphic feature sets derived from those, to extract metrics of barrier island characteristics at consistent sampling distances. The metrics are then incorporated...
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A digital model of the sedimentary Northern Atlantic Coastal Plain aquifer system is composed of 20 rasters and hydrogeologic unit extent polygons. Rasters describe the top elevations of regional aquifers and confining units at a resolution of 2640 feet (1/2 mile). The rasters are clipped to the extent polygons, which represent the spatial extents of the hydrogeologic units onshore and several miles offshore. This three-dimensional hydrogeologic model was constructed as part of a U.S. Geological Survey Groundwater Resources Program study of groundwater availability in the Northern Atlantic Coastal Plain (NACP) aquifer system, including parts of New York, New Jersey, Delaware, Maryland, Virginia, and North Carolina....


map background search result map search result map Digital elevations and extents of regional hydrogeologic units in the Northern Atlantic Coastal Plain aquifer system Trends in annual peak streamflow quantiles for 2,683 U.S. Geological Survey streamgages in the conterminous United States ElevMHW: Elevation adjusted to local mean high water: Fire Island, NY, 2014 Statistical summaries of simulated groundwater residence times for the 10 regional aquifers of the Northern Atlantic Coastal Plain aquifer system, at a 1 square-mile grid resolution Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay Nontidal Network stations: Water years 1985-2018 (ver. 2.0, May 2020) Exploring the exceptional performance of a deep learning stream temperature model and the value of streamflow data: 3 Model inputs ElevMHW: Elevation adjusted to local mean high water: Fire Island, NY, 2014 Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay Nontidal Network stations: Water years 1985-2018 (ver. 2.0, May 2020) Digital elevations and extents of regional hydrogeologic units in the Northern Atlantic Coastal Plain aquifer system Statistical summaries of simulated groundwater residence times for the 10 regional aquifers of the Northern Atlantic Coastal Plain aquifer system, at a 1 square-mile grid resolution Exploring the exceptional performance of a deep learning stream temperature model and the value of streamflow data: 3 Model inputs Trends in annual peak streamflow quantiles for 2,683 U.S. Geological Survey streamgages in the conterminous United States