This data is bathymetric depth contours for Narragansett Bay and Block Island Sound at twenty foot intervals as depicted on NOAA nautical charts. Bathymetric depth contours for Narragansett Bay and Block Island Sound at twenty foot intervals as depicted on NOAA nautical charts.

rigis-bedrock

Bedrock geology from 1994 as determined by the Department of Geological Sciences and the Office of the State Geologist at URI.

rigis-benchmarks

This data contains a set of geodetic control stations maintained by the National Geodetic Survey in the state of Rhode Island. Each geodetic control station in this dataset has either a precise Latitude/Longitude used for horizontal control or a precise Orthometric Height used for vertical control, or both. This dataset represents all geodetic control stations throughout the state of Rhode Island. The National Geodetic Survey (NGS) serves as the Nation's depository for geodetic data. The NGS distributes geodetic data worldwide to a variety of users. These geodetic data include the final results of geodetic surveys, software programs to format, compute, verify, and adjust original survey observations or to convert values from one geodetic datum to another, and publications that describe how to obtain and use Geodetic Data products and services. These data provide a base of reference for latitude, longitude and height throughout the Rhode Island.

rigis-bird-species

These data are based on The Atlas of Breeding Birds in Rhode Island by Richard Enser (1992). Depicted within this dataset are breeding season species distribution of nesting birds throughout the state. This information was documented from 1982 to 1987 utilizing kilometer grid cell areas. The attribute information associated with these data are extremely robust; all Rhode Island nesting bird species are included, and each has been coded as either confirmed (nesting evidence present), possible (single observation in siutable habitat with no nesting evidence present), probable (multiple sightings of species in suitable habitat with no nesting evidence) and not present (represents the absence of afforementioned options). Information is also provided on the number of confirmed species, number of possible species and number of probable species in each of the 166 grid cells.

rigis-broadband-availability

Broadband Rhode Island (BBRI), as a participant in the National Telecommunications and Information Administration (NTIA) State Broadband Initiative, has partnered with broadband Internet providers to compile an approximation of where such services are available in the State. BBRI assembles and submits these data on a semi-annual basis to the NTIA, which are subsequently made available by the NTIA via the National Broadband Map in a collection of online maps, tabular data, and Esri file geodatabases. BBRI has contributed a series of pre-compiled datasets to RIGIS that users should find are more readily accessible and easier to use by a wide variety of GIS software. The data available for download from this web page consist of flat shapefiles (each census block maintains a one-to-one relationship to individual provider records, rather than a one-to-many relationship), are reprojected to the Rhode Island State Plane coordinate system, and include all inland Rhode Island census blocks (not just those less than two square miles). An attribute field (titled "TOTAL_PROV") that tallies the total number of providers per census block has been added to each shapefile that represents individual wireline technology types. Wireline and wireless technology summary files are also provided that tally the number of technology types and providers per census block, presence/absence of a provider per census block, and the number of providers that offer a given broadband technology type per census block.

rigis-census-1990-summary-file-1-indicators

rigis-census-1990-summary-file-3-indicators

rigis-census-2000-basic-population-indicators

rigis-census-2010-summary-file-1-indicators

rigis-census-designated-places

Census Designated Places (CDP) are delineated by the US Census Bureau to provide data for settled concentrations of population that are identifiable by name, but are not legally incorporated under the laws of the state in which they are located. Most boundaries represented by this shapefile are as of January 1, 2013, as reported through the Census Bureau's Boundary and Annexation Survey (BAS). Limited updates that occurred after January 1, 2013, such as newly incorporated places, are also included. The boundaries of all CDPs were delineated as part of the Census Bureau's Participant Statistical Areas Program (PSAP) for the 2010 Census. In order for others to use the information in the Census MAF/TIGER database in a geographic information system (GIS) or for other geographic applications, the Census Bureau releases to the public extracts of the database in the form of TIGER/Line Shapefiles. The TIGER/Line shapefiles include both incorporated places (legal entities) and census designated places or CDPs (statistical entities). An incorporated place is established to provide governmental functions for a concentration of people as opposed to a minor civil division (MCD), which generally is created to provide services or administer an area without regard, necessarily, to population. Places always nest within a state, but may extend across county and county subdivision boundaries. An incorporated place usually is a city, town, village, or borough, but can have other legal descriptions. CDPs are delineated for the decennial census as the statistical counterparts of incorporated places. CDPs are delineated to provide data for settled concentrations of population that are identifiable by name, but are not legally incorporated under the laws of the state in which they are located. The boundaries for CDPs often are defined in partnership with state, local, and/or tribal officials and usually coincide with visible features or the boundary of an adjacent incorporated place or another legal entity. CDP boundaries often change from one decennial census to the next with changes in the settlement pattern and development; a CDP with the same name as in an earlier census does not necessarily have the same boundary. The only population/housing size requirement for CDPs is that they must contain some housing and population.

rigis-coastal-waters-1983

This dataset shows the Coastline of RI and nearby CT and MA including Narragansett Bay its tributaries along with near shore and offshore islands. Although this dataset was created in 1993, the source data used to create this dataset is from 1983 and earlier.

rigis-coastal-waters-2014

This dataset represents coastal waters and the coastline of Rhode Island, as well as portions of neighboring Connecticut, Massachusetts, and New York. Includes Narragansett Bay, salt ponds, and tributaries. These data are intended for cartographic purposes.

rigis-coastal-wetlands-and-waters-designated-for-preservation

Vector polygon representation of coastal wetlands designated for preservation adjacent to Type 3 (High Intensity Boating), 4 (Multi-Purpose Water), 5 (Commercial and Recreational Harbor), and 6 (Industrial Waterfronts and Commercial Navigation Channels) waters. These wetlands are important coastal habitat that recieve a higher level of protection in the RI Coastal Resources Management Program, as amended (Redbook).

rigis-conservation-lands-municipal-and-ngo

Non-State conservation lands are real properties permanently protected from future development by recognized land protection organizations other than the State of Rhode Island.

rigis-conservation-lands-state-of-rhode-island

Approximate edges of Conservation Lands protected by the State of Rhode Island through Fee Title Ownership, Conservation Easement, or Deed Restriction.

rigis-continually-updated-shoreline-product

These data provide available contemporary high-resolution national shoreline. The Continually Updated Shoreline Product is provided via the National Shoreline Data Explorer application. Shoreline is a foundation data layer that may be used for mapping and charting applications, developing models for tsunamis, storm surge, and coastal flooding as well as predicting sea level change and forecasting pollution trajectories. It can assist decision-makers in developing comprehensive coastal-ready community plans, managing coastal resources, delineating and mitigating hazard events, making projections for wave and wind energy utilization, conducting environmental analyses and monitoring, and more. These data should be used for planning purposes only; please see the NOAA-imposed Use Constraints in the full metadata record. This shoreline product should provide users with an more accurate representation of current ground conditions in Rhode Island. When the CUSP coastline was compared with both the Shoreline and Islands (1989) dataset and the Coastal Waters (1983) dataset currently available from RIGIS, significant differences were noticed.

rigis-county-boundaries-1997

Representative political boundary lines for Rhode Island counties. Includes county names and physical shoreline features for bay and coastal waters. Intended for use in general mapping, graphic display and GIS analysis of Rhode Island county boundaries.

rigis-derived-inundation-surfaces-scaled-slr

Scaled Sea Level Rise (SLR) inundation surfaces and polygons for Rhode Island that incorporate the effects of both storm surge and tides. Developed utilizing the North Atlantic Comprehensive Study (NACCS) and STORMTOOLS.

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