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Hurricane Harvey made landfall near Rockport, Texas on August 25 as a category 4 hurricane with wind gusts exceeding 150 miles per hour. As Harvey moved inland the forward motion of the storm slowed down and produced tremendous rainfall amounts to southeastern Texas and southwestern Louisiana. Historic flooding occurred in Texas and Louisiana as a result of the widespread, heavy rainfall over an 8-day period in Louisiana in August and September 2017. Following the storm event, U.S. Geological Survey (USGS) hydrographers recovered and documented 2,123 high-water marks in Texas, noting location and height of the water above land surface. Many of these high-water marks were used to create flood-inundation maps for...
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This dataset is a digital elevation model (DEM) of the beach topography of Lake Superior at Minnesota Point, Duluth, Minnesota. The DEM has a 1-meter (m; 3.28084 foot [ft]) cell size and was created from a LAS (industry-standard binary format for storing large point clouds) dataset of terrestrial light detection and ranging (LiDAR) data with an average point spacing of 0.137 m (0.45 ft). LiDAR data were collected August 10, 2019 using a boat-mounted Optech ILRIS scanner and methodology similar to that described by Huizinga and Wagner (2019). References: Huizinga, R.J. and Wagner, D.M., 2019, Erosion monitoring along selected bank locations of the Coosa River in Alabama using terrestrial light detection and ranging...
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This collection (known internally at Maryland Geological Survey as Component 9) consists of 1,474 black-and-white aerial photographs (1,472 unique frames plus 2 duplicates) plus 2 index maps which serve as a finding aid for the photographs in the two sub-components of this collection -- DC Collection 1 and DC Collection 2. The photographs are 9 in. by 9 in. in size and cover Washington, DC and vicinity (including portions of Maryland and Virginia). The counties in Maryland covered by these aerial photographs are Anne Arundel, Howard, Montgomery, and Prince George's Counties. No date is printed on these photographs; however, based on features shown in the photographs, Maryland Geological Survey (MGS) estimates...
I. .\GrantDevine_Comb.csv: This file contains the total inflow volume to Grant Devine Reservoir for the 30 days with the largest streamflow volume between March and May and the mean of the 3- and 12-month SPEI values for each November 1st. Spring streamflow volume for a given calendar year is paired with SPEI from the previous November 1st value. Column A is an unnamed index number, column B is a year in a stochastic simulation, column C is named “simnum” and is the stochastic simulation number, column D is named “mnspei” and is the mean of the 3- and 12-month SPEI for November 1 of each year in a stochastic simulation, and column E is named “SprintgThirtyTot” and is the total inflow volume for the 30 days with...
Assessment The suite of data products and visualization tools presented here are developed as part of a national ecosystem assessment conducted by the U.S. Geological Survey (USGS). The carbon sequestration and greenhouse gas (GHG) flux assessment was mandated by the Energy Independence and Security Act of 2007 (EISA), which directed the U.S. Department of the Interior to conduct a national assessment to quantify: The amount of carbon stored in ecosystems The capacity of ecosystems to sequester carbon The rate of GHG fluxes in and out of the ecosystems The assessment focused on changes in carbon stocks and fluxes in all the major ecosystems, and on the major natural and anthropogenic processes that control carbon...
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This dataset was used to summarize and analyze the mortality factors recorderd on dead trees in the Sierra Nevada Forest Dynamics Plot Network, which is managed by the Sequoia and Kings Canyon Field station of the U.S. Geological Survey's Western Ecological Research Center. Each row of the dataset represents an individual dead tree. These are dead trees that were recorded in the network from 1998 to 2010 for the subset of plots as described in the associated manuscript; These data support the following: Das, A.J., Stephenson, N.L., Davis, K.P. 2016. Why do trees die? Characterizing the drivers of background tree mortality. Ecology. 97(10): 2616-2627, https://doi.org/10.1002/ecy.1497
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Regional regression equations were calculated in Puerto Rico with generalized least squares techniques to estimate flood frequency statistics at ungaged locations using drainage area as the only explanatory variable. The island was divided into 2 regions to minimize residuals. The region division that resulted in lower and more balanced residuals runs primarily north-south near the center of the island, mostly along an 8-digit hydrologic unit code (HUC8) boundary. The division line runs through a HUC8 polygon on the southern end of the island, but care was taken to include entire watersheds and consideration was given where hydrologic and physiographic properties differed. This data release includes geographic information...
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To illustrate Federal Sub-Surface Mineral Rights for the States of CO, MT, UT, and WY. Created from individual files received by states in May, 2012 for the GRSG National Planning effort. See \GRSG\CEA\GRSG_Analysis\GRSG\rangewide\Data\lands\Subsurface\Su...
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The data has been updated in January 2013 due to revised submissions from Montana and Wyoming's Buffalo Field Office as described below. This dataset represents the consolidated submissions for locations closed to oil and gas development data from BLM sta...
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This feature class represents the product of merge and dissolve operations in ArcGIS with the inputs being the individually submitted EIS boundary datasets. EIS boundaries were developed by each individual EIS in coordination with the Division of Decisio...
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National burn probability (BP) and fire intensity level (FIL) raster datasets for the United States were generated for the 2012 Fire Program Analysis (FPA) System submissions using a geospatial Fire Simulation (FSim) system developed by the US Forest Serv...
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Note: This data release has been superseded by https://doi.org/10.5066/P9N4MPIH Data release includes the U.S. Geological Survey (USGS) estimate of spring nitrogen fluxes from nine tributaries to the Chesapeake Bay from 1985 to 2020. Data are presented from tributaries within the USGS River Input Monitoring (RIM) network identified by site numbers: 01491000, 01578310, 01594440, 01646580, 01668000, 01673000, 01674500, 02035000, 02041650. Periods of estimation include January through May and November through May. The estimates are made using up-to-date streamflow and all total nitrogen analyses available as of June 1 of the reporting year.
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This folder contains 7 excel files with data from a household questionnaire survey (N=199) conducted for the Marshall Islands Climate and Migration project. The fieldwork took place in March and April 2017. Besides the excel file, the folder also contains the original questionnaire in PDF format. The questionniare looked at livelihood, perceptions of climate change and ecosystem services and migration behaviour. The excel files are 1 file for the main questionnaire data and 6 additional files with data from tables in the questionnaire. Each variable in the questionnaire starts with a Leter (A-K) and a number. This refers to the question number in the questionnaire. The databases uses 3 codes for missing values:...
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The collection consists of (a) approximately 50 field notebooks from geologic mapping, including field maps showing outcrop locations corresponding to the field notes and in some cases draft copies of quadrangle geologic maps, (b) approximately 20 notebooks and associated sample location maps from the Chesapeake Bay Earth Science Study (CBESS), and (c) 1 notebook from the Hart-Miller Island Monitoring Study. Some notes are in pencil and may be difficult to read.
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Beach profiles collected periodically, primarily along the Atlantic coast of Maryland, but also along Chesapeake Bay & tributary shorelines. This collection has not been fully inventoried or catalogued.
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Collection consists of paper and electronic files of data from individual wells and springs that have been tested for water quality as part of an ongoing statewide assessment of ground-water quality. Data from the collection is documented in publications and annual administrative reports. Results of groundwater samples collected by the Maryland Geological Survey that were analyzed by the USGS National Water Quality lab have been entered into the USGS National Water Information System (NWIS). Some laboratory results of groundwater sample analyses from state or private labs exist only in paper and spreadsheet format at the Maryland Geological Survey and have not been fully inventoried or catalogeed.
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The collection consists of Excel files describing each aquifer (pump) test, containing raw data, plots, and calculations of hydraulic properties (currently Coastal Plain only) and a list of references associated with the collection. Approximately 262 well locations currently have digital aquifer test data; approximately 345 well locations have hydraulic properties described in a published report. This collection will continue to expand as data from additional wells is acquired. The long-term goal is to incorporate pump test data from non-Coastal Plain provinces/Piedmont of Maryland as well.
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This project initiated the first large-scale Tribal government discussions on the relationship of scientific research and traditional knowledge in the activities of the NPLCC. The project: 1. Reviewed existing approaches and protocols related to scientific research and traditional knowledge in the Pacific Northwest, characterized different types of traditional knowledge and the contexts in which these are encountered; 2. Initiated discussions among the 21 member Tribes of the Northwest Indian Fisheries Commission (all other Tribes are welcome to join); 3. Reported on their views; 4. Proposed a framework for the use of TK based on discussions and presented it for a possible consensus by all participants; and 5. Conducted...
Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2012, Academics & scientific researchers, Decision Support, Federal resource managers, Informing Conservation Delivery, All tags...


map background search result map search result map Collection of Groundwater Quality Data from Maryland Collection of Field Notes from Maryland Collection of Data from Aquifer Tests and Other Hydraulic Tests of Subsurface Material from Maryland Collection of Beach Profiles, Coastal Maryland Gathering Our Thoughts: Tribal recommendations on a traditional knowledge management framework for the NPLCC - Tulalip Tribes of WA Mortality factors for dead trees from a subset of plots from the Sierra Nevada Forest Dynamics Plot Network from 1998 to 2010 Washington, DC & Vicinity Aerial Photographs, 1945-1949 Brazos River BLM GRSG BER: Burn Probability - High (polygon) BLM GRSG BER: Federal Sub-Surface Mineral Rights (polygon) BLM GRSG BER: Locations Closed to Oil and Gas Development (polygon) BLM GRSG EIS Boundaries - Use For Analysis (polygon) RMI Questionnaire data of the Marshall Islands Climate and Migration Project Digital elevation model (DEM) of beach topography of Lake Superior at Minnesota Point, Duluth, MN, August 2019 LandCarbon National Assessment Data Nitrogen flux estimates in support of Chesapeake Bay Hypoxia and Anoxia forecasts, 1985-2020 SHEDS - Data Visualizations Regions for regional regression equations Chesapeake Bay Program DataHub Spring 30 Day Local Inflow Data for Reservoirs on the Souris River, United States and Canada Digital elevation model (DEM) of beach topography of Lake Superior at Minnesota Point, Duluth, MN, August 2019 Washington, DC & Vicinity Aerial Photographs, 1945-1949 Mortality factors for dead trees from a subset of plots from the Sierra Nevada Forest Dynamics Plot Network from 1998 to 2010 Collection of Groundwater Quality Data from Maryland Collection of Field Notes from Maryland Collection of Data from Aquifer Tests and Other Hydraulic Tests of Subsurface Material from Maryland Collection of Beach Profiles, Coastal Maryland Gathering Our Thoughts: Tribal recommendations on a traditional knowledge management framework for the NPLCC - Tulalip Tribes of WA Spring 30 Day Local Inflow Data for Reservoirs on the Souris River, United States and Canada SHEDS - Data Visualizations Chesapeake Bay Program DataHub Nitrogen flux estimates in support of Chesapeake Bay Hypoxia and Anoxia forecasts, 1985-2020 RMI Questionnaire data of the Marshall Islands Climate and Migration Project BLM GRSG BER: Federal Sub-Surface Mineral Rights (polygon) BLM GRSG BER: Locations Closed to Oil and Gas Development (polygon) BLM GRSG EIS Boundaries - Use For Analysis (polygon) BLM GRSG BER: Burn Probability - High (polygon) LandCarbon National Assessment Data