WRRCTR No.118 A Climatology of Mountain Fog on Mauna Loa, Hawai’i Island

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dc.contributor.authorJuvik, James O.
dc.contributor.authorEkern, Paul C.
dc.date.accessioned2008-07-17T22:53:12Z
dc.date.available2008-07-17T22:53:12Z
dc.date.issued1978-06
dc.description.abstractThis study of the mountain cloud and fog regimes on the windward and leeward slopes of Mauna Loa, Hawai'i Island (1) develops a standardized louvered-screen, fog-catchment gage; (2) develops an indirect approximation method for estimating average droplet sizes during precipitation episodes and for separating the rainfall and fog components; (3) establishes an extensive fog sampling network on the windward and leeward slopes of Mauna Loa; and (4) develops an original computer program for detailed temporal and spatial analyses of rainfall, fog, and wind parameters. An analysis of data for the 1974 to 1976 period yielded the following conclusions: (1) a well-defined fog belt exists on windward Mauna Loa in the altitudinal zone between 1 500 to 2 500 m with fog-catchment amounts as great as one-half the rainfall, or about 750 mm; (2) mountain fog on leeward Mauna Loa increases with elevation up to at least 2 000 m, with fog amounts equivalent to one-fourth the rainfall, or about 250 mm; (3) seasonal and altitudinal patterns in fog frequency and catchment amounts are related to the dynamic interaction of the tradewind field (particularly the tradewind inversion) and the local land/sea breeze regime; (4) mountain fog. appears to be a significant factor in the water balance of mountain ecosystems on Mauna Loa; and (5) the potential for large-scale mechanical recovery of fog water may exist for selected locations on Mauna Loa.
dc.description.sponsorshipOffice of Water Research and Technology, U.S. Dept. of the Interior Grant/Contract No. A-041-HI
dc.format.extentX + 70 pages
dc.identifier.citationJuvik JO, Ekern PC. 1978. A climatology of mountain fog on Mauna Loa, Hawai’i Island. Honolulu (HI): Water Resources Research Center, University of Hawaii at Manoa. WRRC technical report, 118.
dc.identifier.urihttp://hdl.handle.net/10125/2006
dc.language.isoen-US
dc.publisherWater Resources Research Center, University of Hawaii at Manoa
dc.relation.ispartofseriesWRRC Technical Report
dc.relation.ispartofseries118
dc.subjectorographic clouds
dc.subjectfog precipitation
dc.subjectwater balance
dc.subjectmountain ecosystem
dc.subjectHawaii
dc.subjectfog regime
dc.subjectlouvered fog gage
dc.subjectfog gage network
dc.subjectMauna Loa
dc.subject.lcshMauna Loa (Hawaii Island, Hawaii)
dc.subject.lcshMountain fog -- Hawaii -- Hawaii Island -- Measurement.
dc.subject.lcshOrographic clouds -- Hawaii -- Hawaii Island.
dc.subject.lcshPrecipitation gauges -- Design and construction.
dc.titleWRRCTR No.118 A Climatology of Mountain Fog on Mauna Loa, Hawai’i Island
dc.typeReport
dc.type.dcmiText

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