README.DOC

U. S. Geological Survey Professional Paper No. 1573

SEDIMENT TRANSPORT AT GAGING STATIONS NEAR MOUNT ST. HELENS, 1980-90

DATA COLLECTION AND ANALYSIS

Contents of the Sediment Data Files

File names are given by a gaging-station prefix and a data-type suffix.

All prefixes for gaging stations have 4 characters, as in this list:

CLRW - Clearwater Creek near mouth (14216300)

GREN - Green River above Beaver Creek (14240800)

HW99 - Toutle River at Highway 99 bridge (14242690)

KIDV - North Fork Toutle River at Kid Valley (14241100)

MUD2 - Muddy River below Clear Creek (second gage on Muddy) (14216500)

MUDD - Muddy River above Clear Creek (initial gage on Muddy) (14216350)

PINE - Pine Creek at mouth (14216900)

ROCK - Cowlitz River at Castle Rock (14243000)

SFTB - South Fork Toutle River at Toutle (at bridge) (14241500)

SFTU - South Fork Toutle River at Camp 12 (14241490)

TOWR - Toutle River at Tower Road (14242580)

Suffixes on gaging-station prefixes: _DC, _ISC, or _BMS

DC: Discharge, Concentration

7 files of Daily Mean Discharge, Daily Sediment Discharge, and Daily Mean Concentration, for some period between Jan. 1, 1980 and September 30, 1990. (****_dc.txt)

ISC: Instantaneous Sediment Concentration

11 files of Instantaneous Sediment Concentration (****_isc.txt)

BMS: Bed-material Statistics

7 files of Bed Material statistics (****_bms.txt)