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Detalles del recurso

Descripción

Although conventional sediment parameters (mean grain size, sorting, and skewness) and provenance have typically been used to infer sediment transport pathways, most freshwater, brackish, and marine environments are also characterized by abundant sediment constituents of biological, and possibly anthropogenic and volcanic, origin that can provide additional insight into local sedimentary processes. The biota will be spatially distributed according to its response to environmental parameters such as water temperature, salinity, dissolved oxygen, organic carbon content, grain size, and intensity of currents and tidal flow, whereas the presence of anthropogenic and volcanic constituents will reflect proximity to source areas and whether they are fluvially- or aerially-transported. Because each of these constituents have a unique environmental signature, they are a more precise proxy for that source area than the conventional sedimentary process indicators. This San Francisco Bay Coastal System study demonstrates that by applying a multi-proxy approach, the primary sites of sediment transport can be identified. Many of these sites are far from where the constituents originated, showing that sediment transport is widespread in the region. Although not often used, identifying and interpreting the distribution of naturally-occurring and allochthonous biologic, anthropogenic, and volcanic sediment constituents is a powerful tool to aid in the investigation of sediment transport pathways in other coastal systems.

Pertenece a

PANGAEA - Publishing Network for Geoscientific & Environmental Data  

Autor(es)

McGann, Mary L -  Erikson, Li H -  Wan, Elmira -  Powell, Charles -  Maddocks, Rosalie F - 

Id.: 57361452

Idioma: inglés  - 

Versión: 1.0

Estado: Final

Tipo:  application/zip, 4 datasets - 

Palabras clave(Carpenter) -  (Dall) -  (Dall), questionable -  (Darwin) -  (Gould) -  (Reeve) -  A. cf. A. compacta -  A. improvisus -  A. lincolnensis -  A. tepida -  A. vulgaris -  Actinoptychus sp. -  Acuminocythere sp. -  Alvina cf. A. compacta -  Ambostracon sp. -  Ammonia tepida -  Amphibalanus improvisus -  Arachnodiscus sp. -  Arcella vulgaris -  Aurila lincolnensis -  B. denudata -  B. elegantissima -  B. frigida -  B. striatula -  B. subexcavata -  B. tenerrima -  B. vaughani -  Balanus sp. -  Barnacle -  Berry -  Bivalvia -  Bolivina striatula -  Bolivina subexcavata -  Bolivina vaughani -  Bryozoa -  Buccella frigida -  Buccella tenerrima -  Bulimina denudata -  Buliminella elegantissima -  button -  C. aculeata -  C. beaconensis -  C. constricta -  C. fletcheri -  C. grandwashensis -  C. limbata -  C. lobatulus -  Campylodiscus sp. -  Cardiidae -  Cassidulina limbata -  Centropyxis aculeata -  Centropyxis constricta -  Charcoal -  Chione sp. -  Chthamalus sp. -  Cibicides fletcheri -  Cibicides lobatulus -  Cibicides sp. -  Coscinodiscus sp. -  Crab claw -  Crepidula sp. -  Cymbella sp. -  Cyprideis beaconensis -  Cytheromorpha grandwashensis -  Cytherura sp. -  D. oblonga -  Date/Time -  DATE/TIME -  Depth -  DEPTH, sediment/rock -  Diatom abund -  Diatom abundance -  Diatoms -  Diatoms, Coscinodiscus sp./ Thalassiora sp. -  Diatoms, genus questionable -  Diatoms, other (oval) -  Diatoms indet -  Diatoms indeterminata -  Difflugia oblonga -  E. advena -  E. crispum -  E. excavatum -  E. frigidum -  E. gunteri -  E. hannai -  E. magellanicum -  E. tetrastomella -  E. zostericola -  Eggerella advena -  Elphidiella hannai -  Elphidium crispum -  Elphidium excavatum -  Elphidium frigidum -  Elphidium gunteri -  Elphidium magellanicum -  Entzia tetrastomella -  Epitonium sp. -  Eusarsiella zostericola -  Event -  F. lucida -  F. orcutti -  Fartulum orcutti -  Fish bone -  Fish dermal pl -  Fish dermal plate -  Fish jaw -  Fish mandible -  Fish teeth -  Fissurina lucida -  Fissurina sp. -  Foram bent -  Foram bent d -  Foram bent indet -  Foram bent l -  Foram bent recryst -  Foraminifera, benthic -  Foraminifera, benthic, recrystallized -  Foraminifera, benthic dead -  Foraminifera, benthic indeterminata -  Foraminifera, benthic living -  Foraminifera, planktic -  Foraminifera, planktic, recrystallized -  Foram plank recryst -  Foram plankt -  G. subglobosa -  Gastrop -  Gastropoda -  Gastropoda, freshwater, indeterminata -  Gastropoda, operculum -  Gastropoda fw indet -  Gastropoda indet -  Gastropoda indeterminata -  Gastropoda operc -  genus questionable -  Glass micro -  Glass microsphere, anthropogen -  Globocassidulina subglobosa -  Gould -  H. balthica -  H. cf. balthica -  H. germanica -  H. hoeglundi -  H. pacifica -  H. subinvolutum -  Haeuslerella hoeglundi -  Haplophragmoides subinvolutum -  Haynesina germanica -  Hopkinsina pacifica -  Hyalinea balthica -  Hyalinea cf. balthica -  I. gibba -  I. nervosa -  I. ovoidea -  Ilyocypris gibba -  Indet -  Indeterminata -  indeterminate -  indeterminate, family questionable -  Iselica ovoidea -  Isthmia nervosa -  Kangarina sp. -  L. pliocenica -  L. striata -  Lagena pliocenica -  Lagena striata -  Loxoconcha sp. -  M. bramlettei -  M. fusca -  M. verticillata -  Macoma sp. -  Melosira sp. -  Miliammina fusca -  Modiolus sp. -  Mollugo verticillata -  Montfortella bramlettei -  mud -  Mya sp. -  Mytilidae -  N. basispinata -  N. stella -  Nassarius sp. -  Nonionella basispinata -  Nonionella sp. -  Nonionella stella -  Number of species -  O. californica -  O. pycna -  Olivella pycna -  on barnacle plates. Vermetidae, indeterminate (Petaloconchus? sp.) -  Oolina melo -  Opaline part -  Opaline particles -  Orobitella californica -  Ostrac -  Ostrac indet -  Ostracoda -  Ostracoda indeterminata -  Ostracods -  Ostracods, (Cushman, 1906) -  Ostracods, (LeRoy, 1943) -  Ostracods, (LeRoy, 1943) or Hemicytherura sp. [= H. sp. A of Valentine, 1976] -  Ostracods, (Ramdohr, 1808) -  Ostracods, (Skogsberg, 1928) -  Ostracods, = Acuminocythere sp. C of Swain & Gilby 1974 -  Ostracods, = Ambostracon sp. E of Valentine 1976 -  Ostracods, = Aurila sp. E of Valentine, 1976 -  Ostracods, = Sahnia sp. A of Valentine, 1976 -  Ostracods, aff. C. johnsonoides Swain, 1967 -  Ostracods, Brouwers, 1993 -  Ostracods, cf. P. fraseri Smith, 1952 -  Ostracods, Furtos, 1933 -  Ostracods, Hemicythere hazeli Brouwers, 1993 or Leptocythere sp. -  Ostracods, Ishizaki & Gunther, 1974 -  Ostracods, juveniles -  Ostracods, unknown -  Ostracods, Watling, 1970 -  Ostrea sp. -  other -  P. cf. krausae -  P. globula -  Palmoconcha cf. krausae -  Paradoxostoma sp. -  Philine sp. -  Pholadidae -  Physocypria globula -  Planorbidae -  Polymorphinidae -  Province -  Pyramidellidae -  Q. bellatula -  questionable -  Quinqueloculina bellatula -  Quinqueloculina sp. -  Quinqueloculina spp. -  R. aurita -  R. campanulata or R. turbinata -  R. globularis -  R. jollaensis -  R. puntocaelatus -  Rad abund -  Radimella aurita -  Radiolarians, recrystallized -  Radiolarians abundance -  Rad recryst -  Reophax sp. -  Rictaxis puntocaelatus -  Robustaurila jollaensis -  Robustaurila sp. -  Rosalina globularis -  Rotorbinella sp. -  S. biformis -  S. hyalina -  S. panamaensis -  S. vivipara -  Sagmatocythere sp. -  Sahnicythere sp. -  Sample comment -  sand province -  Scabrotrophon sp. -  Scirpus spp. -  Seed -  Serrocytherura panamaensis -  Skate teeth -  sp. A -  sp. A (black shiny and smooth) -  sp. A (rugose) -  sp. B (flat, brown oval with darkened oval center) -  sp. C (star) -  sp. D (winged) -  Spec No -  Spinileberis hyalina -  Spirillina vivipara -  Spiroloculina sp. -  Spiroplectammina biformis -  Sponge spic -  Sponge spiculae -  Spores -  Spores, trilete -  striae -  T. cf. T. nuculoides -  T. charlottensis -  T. earlandi -  T. hadai -  T. inflata -  T. kelletae -  T. lubrica -  T. ornatissima -  T. pacifica -  Tellina cf. T. nuculoides -  Textularia earlandi -  Theora lubrica -  total -  Triceratium sp. -  Trichohyalus ornatissima -  trilete spores -  Trochammina charlottensis -  Trochammina hadai -  Trochammina inflata -  Trochammina kelletae -  Trochammina pacifica -  Trochammina spp. -  Turbonilla sp. -  unknown -  Veneridae -  Volcanic glass -  Volc glass -  Welding slag -  Welding slag, anthropogen -  White, rounded, trilete mark -  Worm tubes -  Xestoleberis sp. - 

Cobertura:  MEDIAN LATITUDE: 37.690416 * MEDIAN LONGITUDE: -122.160064 * SOUTH-BOUND LATITUDE: 37.253300 * WEST-BOUND LONGITUDE: -123.024540 * NORTH-BOUND LATITUDE: 38.100630 * EAST-BOUND LONGITUDE: -121.554500 * DATE/TIME START: 1995-08-01T00:00:00 * DATE/TIME END: 2010-03-20T00:00:00 - 

Tipo de recurso: Dataset  - 

Tipo de Interactividad: Expositivo

Nivel de Interactividad: muy bajo

Audiencia: Estudiante  -  Profesor  -  Autor  - 

Estructura: Atomic

Coste: no

Copyright: sí

: CC-BY: Creative Commons Attribution 3.0 Unported

Formatos:  application/zip, 4 datasets - 

Requerimientos técnicos:  Browser: Any - 

Relación: [IsBasedOn] Supplement to: McGann, Mary L; Erikson, Li H; Wan, Elmira; Powell, Charles; Maddocks, Rosalie F (2013): Distribution of biologic, anthropogenic, and volcanic constituents as a proxy for sediment transport in the San Francisco Bay Coastal System. Marine Geology, 345, 113-142, https://doi.org/10.1016/j.margeo.2013.05.006
[References] Barnard, Patrick L; Foxgrover, Amy C; Elias, Edwin; Erikson, Li H; Hein, James R; McGann, Mary L; Mizell, Kira; Rosenbauer, Robert J; Swarzenski, Peter W; Takesue, Renee K; Wong, Florence L; Woodrow, Donald L (2013): Integration of bed characteristics, geochemical tracers, current measurements, and numerical modeling for assessing the provenance of beach sand in the San Francisco Bay Coastal System. Marine Geology, 345, 181-206, https://doi.org/10.1016/j.margeo.2013.08.007
[References] Barnard, Patrick L; Foxgrover, Amy C; Elias, Edwin; Erikson, Li H; Hein, James R; McGann, Mary L; Mizell, Kira; Rosenbauer, Robert J; Swarzenski, Peter W; Takesue, Renee K; Wong, Florence L; Woodrow, Donald L (2013): Integration of bed characteristics, geochemical tracers, current measurements, and numerical modeling for assessing the provenance of beach sand in the San Francisco Bay Coastal System. Marine Geology, 336, 120-145, https://doi.org/10.1016/j.margeo.2012.11.008

Fecha de contribución: 29-ago-2017

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