Cook Inlet and Kenai Peninsula, Alaska ESI: ICE (Ice Extent Lines)

This data set contains locations of ice extent in Cook Inlet, Alaska. Vector lines in the data set represent 50 percent ice coverage. Location-specific type and source information are stored in relational data tables (described below) designed to be used in conjunction with this spatial data layer. See also the RIPS (Rip Current Lines) data layer, part of the larger Cook Inlet and Kenai Peninsula ESI database, for additional hydrologic information.This data set comprises a portion of the Environmental Sensitivity Index (ESI) data for Cook Inlet and Kenai Peninsula. ESI data characterize the marine and coastal environments and wildlife by their sensitivity to spilled oil. The ESI data include information for three main components: shoreline habitats, sensitive biological resources, and human-use resources.