WSP10386

• File Number: 8210.470
• Description: Pacific Southwest Interagency Committee
• State: CO
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 2/1/1966
• Author: Unknown
• Title: Report of the Hydrology Subcommittee - Limitations in Hydrologic Data - As Applied to Studies of Water Control and Water Management - February 1966
• Water Supply Pro - Doc Type: Report/Study

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0012~n

iii

CONTENTS

Foreword. . . .. ...... ..............."
Introduction '. . . . . .. ... . . . . " . .
Background .. . . . . 8 .........
Inadequacy of sampling ... . . . . . . . . . . .
,Bias in records of long term .. . . . . . . . . .
Short-term abnormalities and "stsps" in rscords .. . . . . .
Common errors and limitations in hydrologic records .......
General considerations. .. . . . . . . . . 8 , . 0
'Radiative heat transfers . . . . 8 . . . . . . . . 8 , " . . 0
Introduction . . . . . . .. ..... lit lit . . . . g . "
Effects of station location. .. ..........
Limitation of instruments and recording equipment . " . .
Use of radiation data . . " " . " . . . . . .
Selected references . . . .. . . . . , . .
Air temperature ... . . . ... . . . . . . .
Effects of location and installation of
m.easuring equipment . . . . . . . . . " . . .. , It . " It
Typss of temperature records and equipment .......
Dspendability of observations . . . . . . .. . . .
Effects of exposure . . . .. . It , . , , "
Hour of observations .. . ". . . 8 . . 8 .
Other sources of error. ..... . .. . . . . . e
Consistency of records . . . . .. . ......"
Use of data " .. . . . . ... . . " .. . . " . " . ,
Determining averages or normals . . . . . . .
Correlation with hydrologic parameters. ......
Upper-air temperatures . . . . . " . , . G
Reference cited . . . . . ... ....." . '" . .
HUlllidity (atmospheric watsr vapor) . . . . . . . . . . . . . .
Location and installation of measuring equipmsnt . . . . .
Measurements and measuring equipment ... ......
Reliability of observations ..... .........
Instrumental errors ................
Environmental errors ... .... '. . . . . . . . Q
Uses of data on humidity ""'.11""""" e . e G " "

Wi.nd " . " . . . . iii . . '. . tl

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Measuremsnts and types of sqU1pmsnt ...... . . . . .
Surface' instruments .................
Upper-air instruments .. . . . . , . . . . . . .. . .
Looation and installation of measuring equipment . . . . .
Consistena,y and reliability of records . . . . . . . . . .
Use of data on wind .. -. . . . . . . . . . . .. . . . . ·

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