United States GIS Data and Maps - GIS Lounge

Nationwide GIS Data and MapsState by State – GIS Resources Within The United StatesCaliforniaFloridaKentuckyNew YorkRelated Us GIS Data and Maps ResourcesData.gov is the GIS data depository for U.S. government data with over 272,000 datasets and growing. The site also has an Apps Showcase, highlighting different sites that are using data from Data.gov.Get price

GIS Data - Data and Tools

GIS for focus areas of potential domestic resources of 11 critical minerals—aluminum, cobalt, graphite, lithium, niobium, platinum group elements, rare earth elements, tantalum, tin, titanium, and tungsten: U.S. Geological Survey data releaseGet price

Overview - Maps - USGS

GIS shapefile: Citrus, Hernando, Pasco, and Sumter Counties, Florida irrigated agricultural land-use from January through December 2019 This data set consists of a detailed digital map of the extent of fields and a summary of the irrigated acreage for the period between January and December 2019 compiled for Citrus, Hernando, Pasco, and SumterGet price

What is a geographic information system (GIS)?

A Geographic Information System (GIS) is a computer system that analyzes and displays geographically referenced information. It uses data that is attached to a unique location.Most of the information we have about our world contains a location reference: Where are USGS streamgages located?Get price

U.S. Data by State - GIS Data Guide - Library Guides at

Oct 15, 2020 · Geological dataset for Alabama. The web page includes GIS data in many categories. Data are available for direct download (GIS shapefile format) on the page if the data source is Geological Survey of Alabama. If the data are from another source or agency, the weblink to the data is given.Get price

GIS Data Download - USGS

The Topographic Maps and geographical information system (GIS) data provided in The National Map are pre-generated into downloadable products often available in multiple formats. The vector datasets include: The National Hydrography Dataset(s), Watershed Boundary Dataset, Governmental Boundary Units, Transportation, Structures, ElevationGet price

Geo-Spatial Data Resources | cdc.gov

Nov 19, 2019 · These resources include links to publicly available health-related data sets. A few examples of what can be found in the links below include data on various diseases and conditions and on health behaviors, health resources, rural health, health indicators, mortality, and morbidity.Get price

Gas-Insulated Substations - GIS

sf6 gas decomposes in the high temperature of an electric arc, but the decomposed gas recombines back into Sulfr hexafluoride so well that it is not necessary to replenish the gaz sf6 in GIS. There are some reactive decomposition byproducts formed because of the trace presence of moisture, air, and other contaminants. The quantities formed are very small.Get price

National Atmospheric Deposition Program (NADP)

Mercury Deposition Network Maps. Since 1981, the USGS has been the lead Federal agency for the monitoring of wet atmospheric deposition (chemical constituents deposited from the atmosphere via rain, sleet, and snow) in the United States for the interagency National Atmospheric Deposition Program (NADP). The USGS supports about one-third (79 of approximately 250) of the NADP-National Trends Network sites, which measure acidity, sulfate, nutrients and other major ions in precipitation.Get price

Geographic Information Systems Datasets

Introduction "To provide support for local jurisdictions and developers in their efforts to work with the U.S. military to complete Joint Land Use Studies and other development efforts on / around DoD lands, the following webpage provides links to GIS (Geographic Information Systems) datasets and online resources from which to download useful, planning-based geospatial data for further analysis."Get price

Office of Planning | Hawaii Statewide GIS Program

About the Statewide GIS Program: The Office of Planning GIS Program leads a multi-agency effort to establish, promote, and coordinate the use of geographic information systems (GIS) technology among Hawaii State Government agencies. The State Office of Planning is responsible for the planning and coordination of activities that are critical to the State’s enterprise GIS. […]Get price

Chp6 - Geographic Information System | Safe Places for Child

Geographic information system (GIS) resources can be used to map, visualize, and analyze spatial data easily. Environmental exposure investigations lend themselves to mapping. GIS tools can help determine the proximity of ECE programs to industries that use hazardous materials.Get price

Decomposition | National Institute of Justice

Mar 01, 2019 · Temporal and Spatial Impact of Human Cadaver Decomposition on Soil Bacterial and Arthropod Community Structure and Function Expanding on Total Body Score With Use of Geographic Information Systems (GIS)Get price

What Is GIS Data, and How Is It Used?

Another name for GIS data is geospatial data, referring to the location-based nature of GIS — that GIS data is data with a geographic component to it. 4 (While some people argue that there are technically differences between GIS data and geospatial data, the two terms are often used interchangeably.)Get price

Polygon decomposition - Geospatial Analysis - spatial and GIS

Polygons may be divided into smaller sections in many different ways, for a wide variety of reasons. Most vector GIS packages support some decomposition procedures, through overlay of a template or cookie cutter polygons (e.g. the Clip operation in ArcGIS) and/or through the provision of explicit decomposition procedures. For example, complex polygons with convoluted boundaries may be divided up into a series of non-overlapping convex polygons.Get price


Click to Zoom to Permit Num Lease or Facility Name Operator Name Permit Type County Permit Expiration NPDes Permit No Discharge VolumeGet price

Geographic Information Systems (GIS) | Earthdata

Apr 19, 2021 · GIS is a collection of computer-based tools for organizing information from a variety of data sources to map and examine changes on Earth. It is designed to capture, store, manage, analyze, and visualize all types of geographical data, and allow for the integration and collective analysis ofGet price

GIS at CDC | cdc.gov

Sep 30, 2020 · GIS at CDC. Geospatial Research, Analysis, and Services Program (GRASP) The Geospatial Research, Analysis, and Services Program (GRASP) is a team of geospatial science, technology, visualization, analysis, and public health experts within the Agency for Toxic Substances and Disease Registry (ATSDR) and CDC.Get price

GIS (Geographic Information System) | National Geographic Society

Jun 21, 2017 · A geographic information system (GIS) is a computer system for capturing, storing, checking, and displaying data related to positions on Earth’s surface. By relating seemingly unrelated data, GIS can help individuals and organizations better understand spatial patterns and relationships.Get price

Decomposition: Eco-Friendly Notebooks, Made in the USA

Makers of the Decomposition Book - Over 100 styles in stock - Made with 100% Recycled Paper - Printed with Soy Ink - Made in the USAGet price

GEOG | Geographical Sciences Department | University of Maryland

MS GEOINT students Allie Cahanin and Katherine Toren won the Grand Prize in UMD Data Challenge 2021. The UMD Data Challenge ( datachallenge.ischool.umd.ed) is an annual, week-long data exploration event hosted by The UMD College of Information Studies, where participants gain analytical experience, build technical aptitude, and obtain team-building experience.Get price

New Method for Measuring Human Decomposition Could

Apr 08, 2021 · The researchers used geographic information system technology to visualize how decomposition progressed differently over time for each of the 16 body regions. They found that the abdomen, genitals, upper arms, and upper legs decomposed more quickly than other regions of the body. Conclusions and Possible Implications for Criminal JusticeGet price

What is GIS? | Geographic Information System Mapping Technology

A geographic information system (GIS) is a framework for gathering, managing, and analyzing data. Rooted in the science of geography, GIS integrates many types of data. It analyzes spatial location and organizes layers of information into visualizations using maps and 3D scenes. With this unique capability, GIS reveals deeper insights into data, such as patterns, relationships, and situations—helping users make smarter decisions.Get price

A New Scheme for Residual CF4 Detection in Gas-Insulated

For the diagnosis of GIS, the decomposition gas species including CF 4 generated by partial discharges or breakdown are analyzed. Accumulation of the gas species indicates the history of the failure of GIS. However, most of the gas species are removed by an absorbent placed in a GIS vessel. The only CF 4 stays in GIS vessel for the long term.Get price

Byproducts of Sulfur Hexafluoride (gaz sf6) Use in the Electric

GIS will vary from these data. b SF 4 is readily hydrolyzed to SOF 2. c S 2 F 10 is referred to by some authors as sulfur pentafluoride or SF 5. Additional byproducts that may be formed through arcing or other electrical discharges include SF 2, SOF 10, S 2 O 2 F 10, and H 2 S, as well as a number of metal fluorides (e.g., copper fluoride (CuFGet price

The history of Geographic Information Systems (GIS) | BCS

The Birth of GIS1854 - 19601960 - 19751975 - 19901990 - 20102010 - 2018TodayTackling The Big Data ChallengeTracking The Movements of LifeGeospatial Cloud Grows in Strength, Flexibility and AccessibilityThe first example of linking the 'what' with 'where' takes us all the way back to 1854 and a cholera outbreak. At the time, people believed that the disease was being spread through the air. But an enterprising English Doctor, Dr Jon Snow wasn’t convinced. So, he decided to map the outbreak locations, the roads and the property boundaries and the water pumps. And, when he did, he made a startling discovery. A pattern emerged. This pattern proved that the disease was not in fact airborne but was being communicated via water and even more specifically by one infected water pump. John Snow’s cholera map was a major event connecting the what with the where. Not only was this the beginning of spatial analysis, it also marked a whole new field of study: Epidemiology, the study of the spread of disease. Snow’s work demonstrated that GIS is a problem-solving tool. He put the what on a map to show the where and a made a life-saving discovery. Figure 1: Dr Jon Snow’s original map showing the...Get price

Contact - Data.gov

Is there a open source database of licensed physicians in the US by state December 07, 2020 10:09 PM Units on the attribute table of GIS dataset - California Counties 2016Get price

Effects of sf 6 decomposition components and concentrations on

Gas-insulated switchgear (GIS) is widely used across multiple electric stages and dierent power grid levels. However, the threat from several inevitable faults in the GIS system surrounds us for theGet price

The gaz sf6 Decomposition Mechanism: Background and Significance

Jan 24, 2017 · Gas Insulated Switchgear (GIS) has been widely used in substations. The insulating medium used in GIS is sulfur hexafluoride (sf6 gas) gas. However, the internal insulation defect existed in GIS would inevitably lead to partial discharge (PD), and cause the composition of Sulfr hexafluoride to SOF2, SO2F2 and SO2 and other characteristic component gases. The decomposition phenomenon would greatly reduce theGet price