Research Article
Sep 1971
Snow Fence Shielding of Precipitation Gages
Authors: Paul A. Rechard, F.ASCE, and Lee W. LarsonAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 97, Issue 9
Abstract
Wind has long been recognized as a major source of error in the measured catch by precipitation gages. The generally accepted Alter or Nipher shields improve the characteristics of the gage to catch precipitation during the occurrence of wind. However, they do not provide all of the protection desired, especially for snow. A study has been undertaken by the Wyoming Water Resources Research Institute to investigate the possibilities of shielding the entire gage with snow fencing. The study has been conducted on the Pole Mountain Division of the Medicine Bow National Forest near Laramie, Wyoming, at an elevation of 8,200 ft. The configuration of the study plot is described and the data collected from observations during the first winter are presented and analyzed. Basically, the results indicated that an unshielded precipitation gage catches about one-third of the defined standard. A gage which is shielded by either snow fences or an Alter shield catches approximately two-thirds, and gages shielded with both an Alter shield and snow fence catch the equivalent of the standard.
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Information
Published In
Journal of the Hydraulics Division
Volume 97 • Issue 9 • September 1971
Pages: 1427 - 1439
Copyright
© 1971 American Society of Civil Engineers.
History
Published in print: Sep 1971
Published online: Feb 3, 2021
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Authors
Affiliations
Paul A. Rechard, F.ASCE
Dir., Wyoming Water Resour. Res. Inst., Univ. of Wyoming, Laramie, WY, USA
Lee W. Larson
Ph.D. Candidate, Civ. Engrg. Dept., Univ. of Wyoming, Laramie, WY, USA
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.