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Seasonal hydrological and suspended sediment transport dynamics in proglacial streams, James Ross Island, Antarctica

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12310%2F17%3A43895588" target="_blank" >RIV/60076658:12310/17:43895588 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216224:14310/17:00095915 RIV/00025798:_____/17:00000339

  • Result on the web

    <a href="http://www.tandfonline.com/doi/full/10.1080/04353676.2016.1257914" target="_blank" >http://www.tandfonline.com/doi/full/10.1080/04353676.2016.1257914</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1080/04353676.2016.1257914" target="_blank" >10.1080/04353676.2016.1257914</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Seasonal hydrological and suspended sediment transport dynamics in proglacial streams, James Ross Island, Antarctica

  • Original language description

    Rapid warming of the Antarctic Peninsula is producing accelerated glacier mass loss and can be expected to have significant impacts on meltwater runoff regimes and proglacial fluvial activity. This study presents analysis of the hydrology and suspended sediment dynamics of two proglacial streams on James Ross Island, Antarctic Peninsula. Mean water discharge during 8 January 2015 to 18 February 2015 reached 0.19m(3) s(-1) and 0.06m(3) s(-1) for Bohemian Stream and Algal Stream, respectively, equivalent to specific runoff of 76 and 60mm month(-1). The daily discharge regime strongly correlated with air and ground temperatures. The effect of global radiation on proglacial water discharge was found low to negligible. Suspended sediment concentrations of Bohemian Stream were very high (up to 2927mg L-1) due to aeolian supply and due to the high erodibility of local rocks. Total sediment yield (186tkm(-2)yr(-1)) was high for (nearly) deglaciated catchments, but relatively low in comparison with streams draining more glaciated alpine and arctic catchments. The sediment provenance was mostly local Cretaceous marine and aeolian sediments; volcanic rocks are not an important source for suspended load. High Rb/Sr ratios for some samples suggested chemical weathering. Overall, this monitoring of proglacial hydrological and suspended sediment dynamics contributes to the dearth of such data from Antarctic environments and offers an insight to the nature of the proglacial fluvial activity, which is likely to be in a transient state with ongoing climate change.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10508 - Physical geography

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2017

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Geografiska Annaler Series A: Physical Geography

  • ISSN

    0435-3676

  • e-ISSN

  • Volume of the periodical

    99

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    18

  • Pages from-to

    38-55

  • UT code for WoS article

    000395104100004

  • EID of the result in the Scopus database