Sedimentation rates in Texas estuaries and lagoons

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dc.acquisition-srcReview of GBNEP-6 reference listen_US
dc.call-noAAPG Bulletinen_US
dc.contract-noen_US
dc.contributor.authorShepard, F.P.en_US
dc.contributor.otherAAPG Bulletinen_US
dc.date.accessioned2010-02-15T16:58:55Z
dc.date.available2010-02-15T16:58:55Z
dc.date.issued1953en_US
dc.degreeen_US
dc.descriptionpgs. 1919-1934en_US
dc.description-otheren_US
dc.description.abstractDetailed unpublished soundings of Texas bays made by the United States Coast and Geodetic Survey in the last century have been compared with recent surveys. The depth changes appear to show a reasonable relation to river mouths and to the silt-load measurements of these rivers when taken in connection with tide-gauge data which suggest coastal sinking. The fill has occurred primarily as general shoaling of the flat bay floors and secondarily as a direct encroachment of subaerial deltas onto the bays. So far as could be determined only two rivers, the trinity and the Colorado of Texas, have extended their deltas appreciably since the time of the old surveys. An estimated average rate of bay shoaling of 1.26 feet per century comes from the compilation of 20,518 points of comparison. However, the silt load of Texas streams, which probably is deposited largely in the bays, is too high for this rate and suggest that there has been submergence. By allowing for submergence the amount of 1.8 feet which is the average relative sea-level rise per century for four Gulf Coast tide stations, a total estimated rate of sedimentation in the bays becomes 3 feet per century. This material, however, has a high water content and would make only about half as much sedimentary rock, depending on the degree of compaction.en_US
dc.description.urien_US
dc.geo-codeTexas coasten_US
dc.geo-codeTrinity Riveren_US
dc.history3/3/05 easen_US
dc.identifier.urihttp://hdl.handle.net/1969.3/20658
dc.latitudeen_US
dc.locationTAMUG Periodical Collectionen_US
dc.longitudeen_US
dc.notesAvailable electronically through TAMUG's citation linkeren_US
dc.placeTulsa, OKen_US
dc.publisherAmerican Association of Petroleum Geologistsen_US
dc.relation.ispartofseries2854.00en_US
dc.relation.urihttp://metalib.tamu.edu:9003/tamu/cgi/core/citation-linker.cgi?en_US
dc.scaleen_US
dc.seriesen_US
dc.subjectsedimentationen_US
dc.subjectgeologyen_US
dc.subjectbed loaden_US
dc.subjectshoalingen_US
dc.subjectestuariesen_US
dc.subjectlagoonsen_US
dc.titleSedimentation rates in Texas estuaries and lagoonsen_US
dc.typeArticleen_US
dc.universityen_US
dc.vol-issuev.37,iss.8en_US

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