Wetlands
GIS File Name
HYDRO_Wetlands
Description
City of Cambridge, MA GIS basemap development project encompasses the land area of City of Cambridge with a 200 foot fringe surrounding the area and Charles River shoreline towards Boston. The basemap data was developed at 1" = 40' mapping scale using digital photogrammetric techniques. Planimetric features; both man-made and natural features like vegetation, rivers have been depicted. These features are important to all GIS/mapping applications and publication. A set of data layers such as Buildings, Roads, Rivers, Utility structures, 1 ft interval contours are developed and represented in the geodatabase. The features are labeled and coded in order to represent specific feature class for thematic representation and topology between the features is maintained for an accurate representation at the 1:40 mapping scale for both publication and analysis. The basemap data has been developed using procedures designed to produce data to the National Standard for Spatial Data Accuracy (NSSDA) and is intended for use at 1" = 40 ' mapping scale.
Purpose
City of Cambridge 1" - 40' base map layers from an April 14, 2010 flyover. Basemap layers created by Infotech America.
Download Layer Data
Attributes
| Name |
Type Details |
Description |
| WTLND_ID |
type: Integer
width: 4
precision: 10 |
Corresponds with 2002 Wetlands Mapping and Inventory report |
| WTSYSTEM |
type: String
width: 254
precision: 0 |
Type of wetland system |
| WTSUBSYSTE |
type: String
width: 254
precision: 0 |
Type of wetland subtype |
| WTDESCRIPT |
type: String
width: 254
precision: 0 |
Wetland description |
| DATASOURCE |
type: String
width: 254
precision: 0 |
Source for GIS data |
| NAMELOCATI |
type: String
width: 254
precision: 0 |
Name or location of wetland |
| COMPLANTS1 |
type: String
width: 254
precision: 0 |
Names of commonly found plants in wetland area |
| COMPLANTS2 |
type: String
width: 254
precision: 0 |
Names of commonly found plants in wetland area |
Coordinate System
NAD 1983 StatePlane Massachusetts Mainland FIPS 2001 Feet