Show Map
  • Added 07 Sep 2018

The S_Cst_Tsct_Ln table contains information about the Coastal Transect Lines within the flood risk project area, if applicable. The transect lines indicate the location that was used to provide representative topographic information for the coastal flood models used. Hydraulic analyses of coastal flood effects are executed along transects, which are cross sections taken perpendicular to the shoreline, representing a segment of coast with similar characteristics. Transect elevations are interpolated to delineate the coastal flood zones. The spatial elements representing coastal transects are lines that generally extend from offshore all the way across the coastal floodplain. Transects can also extend seaward when wave runup modeling is used to determine coastal flood hazards. This information is needed for the Transect Locator Map table and Coastal Transect Parameters table in the FIS report.

This layer is a component of National Flood Hazard Layer.

Information

Copyright Copyright may apply. Please check the source for more information.
RegionsSamoa, United States of America

Technical Details

Layer ID 96321
Data type Vector linestring
Feature count 14538
Attributes SIG_HT, HVFLOW_TF, DATUM_CONV, LOC_DESC, BW_HGT_TF, GFID, CON_PD, TRAN_LN_ID, MEAN_HT, DFIRM_ID, LEN_UNIT, SHORE_TYP, LU_SOURCE, SWEL, YCOORD, SETUP_DPTH, SOURCE_CIT, METHOD, WHAFIS_TF, BEACH_SET, EVENT_TYP, VZONE_EXT, MEAN_PD, EROS_METH, OVERTOP_TF, XCOORD, CSTLN_TYP, SIG_PD, FETCH_LEN, TRAN_NO, FTCHLNUNIT, WAVE_02PCT, WTR_NM, V_DATUM, VERSION_ID, ELEV_UNIT, CST_MDL_ID, CON_HT, TBASELN_ID, RUP, TIME_UNIT
Services Vector Query API

History

Sourcehazards.fema.gov
Added 7 Sep 2018 ago
Last checked 4 Mar 2021 ago
Show Map