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Title	Constructing temporary sampling platforms for hydrologic studies.
Creator	Martinez, Manuel H.
Contributor	Ryan, Sandra E. ;<br> Rocky Mountain Research Station--Ogden.
Description	This paper presents instructions for constructing platforms that span the width of stream channels to accommodate the measurement of hydrologic parameters over a wide range of discharges. The platforms provide a stable, safe, noninvasive, easily constructed, and relatively inexpensive means for permitting data collection without wading in the flow. We have used the basic techniques described herein for building platforms on channels of small to medium size, up to 70 feet in width. Lightweight joists, commonly used in housing construction, form the primary structural support for the platform. The structures can be constructed by persons having only rudimentary knowledge of building practices and using simple tools. Cost estimates for materials range from S200 to S1,500 depending on the required length of structure. The platforms have been used successfully in measuring flow and sediment discharge in subalpine channels in Colorado and Wyoming during runoff events with 2 to 5 year return frequencies. They are quite stable and are safer than wading in channels with fast moving flow.
Publisher	Ogden, UT : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Research Station, [2000]
Subject	Stream measurements. ; <br> Suspended sediments - - Measurement.
Relation	General technical report RMRS ; GTR-64.
Source	A 13.88:RMRS-GTR-64
Date Original	2000-09-01
Date Digital	2007;
Type	text
Format	application/pdf
Resource Identifier	mtg002097
Contributing Institution	The University of Montana
Language	en
Digitization Specifications	Scanned by Lacey Gibbons using an OpticBook 3600 scanner at 400 dpi, 8 bit gray scale. Master images stored as TIFF and derivatives presented as PDF. Abbey FineReader 8.0 used for optical character recognition.

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