Hydrological conditions in Clear Lake, Texas, 1958-66.

dc.acquisition-srcen_US
dc.call-noen_US
dc.contract-noen_US
dc.contributor.authorPullen, E.J.en_US
dc.contributor.otheren_US
dc.date.accessioned2010-02-15T16:53:56Z
dc.date.available2010-02-15T16:53:56Z
dc.date.issued1969en_US
dc.degreeen_US
dc.description8 p.en_US
dc.description-otheren_US
dc.description.abstractTemperature and salinity data were collected in 1958-66, and dissolved oxygen, dissoved organic nitrogen, and total phosphorus analyses were made on samples collected in 1964-66 in Clear Lake, a small estuary that flows into upper Galveston Bay. Seasonal trends in bottom water temperature were similar in the different years and were related closely to trends in air temperature. Average water temperatures were lowest (about 13 C) in January and February and highest (about 31 C) in July. The rate of warming and cooling was directly related to the magnitude of the annual temperature difference between the warm and cool months. Salinity ranged from 0.1 to 23.7 ppt and was related inversely to stream flow and precipitation. Variations in rainfall resulted in fluctuations in stream flow and these, in turn, were reflected by variations in salinity. Dissolved organic nitrogen ranged from 23.5 to 171.5 ug.at./l. (microgram atoms per liter) and averaged 66.4 up.at./l. Total phosphorus ranged from 1.7 to 26.3 up.at./l. and averaged 8.2 ug.at./l. Phosphorus values increased markedly in July 1966. No correlation existed between nitrogen or phosphorus and stream flow or rainfall. Dissolved oxygen ranged from 3.8 to 19.3 ppm.en_US
dc.description.urihttp://gbic.tamug.edu/request.htmen_US
dc.geo-codeClear Lakeen_US
dc.geo-codeGalveston Bayen_US
dc.history4-May-1999 (rac)en_US
dc.identifier.urihttp://hdl.handle.net/1969.3/19800
dc.latitudeen_US
dc.locationTAMUG Periodical Collection.en_US
dc.longitudeen_US
dc.notesen_US
dc.placeen_US
dc.publisherU.S. Fish and Wildlife Serviceen_US
dc.relation.ispartofseries2037.00en_US
dc.relation.urien_US
dc.scaleen_US
dc.seriesNOAA Tech. Rep., NMFS, Spec. Sci. Rep. Fish. No. 578en_US
dc.subjectwater analysisen_US
dc.subjectsalinity gradientsen_US
dc.subjecttemperature variationsen_US
dc.subjectnitrogenen_US
dc.subjectdissolved organic matter (DOM)en_US
dc.titleHydrological conditions in Clear Lake, Texas, 1958-66.en_US
dc.typeBooken_US
dc.universityen_US
dc.vol-issueen_US

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