About: Recording relative water table depth using PVC tape discoloration: Advantages and constraints in fens     Goto   Sponge   NotDistinct   Permalink

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Description
  • Using data from 49 plots in six poor and moderately rich fens, we correlated the directly measured lowest, highest and mean water table depths and the same variables indicated by discolouration of PVC tape attached to green bamboo stakes installed vertically in the soil profile. The depth to the first sign of PVC discolouration was highly correlated with the directly measured position of the highest water table, the correlation between the depth of complete discolouration and the directly measured position of the lowest water table was poorer. The accuracy of the minimum water table measurement depended on the depth of the peat layer. Surprisingly, the depth at which the green bamboo stakes turned brown correlated highly with the minimum water table. Combining both methods enables efficient monitoring of water table dynamics at a large number of mire sites.
  • Using data from 49 plots in six poor and moderately rich fens, we correlated the directly measured lowest, highest and mean water table depths and the same variables indicated by discolouration of PVC tape attached to green bamboo stakes installed vertically in the soil profile. The depth to the first sign of PVC discolouration was highly correlated with the directly measured position of the highest water table, the correlation between the depth of complete discolouration and the directly measured position of the lowest water table was poorer. The accuracy of the minimum water table measurement depended on the depth of the peat layer. Surprisingly, the depth at which the green bamboo stakes turned brown correlated highly with the minimum water table. Combining both methods enables efficient monitoring of water table dynamics at a large number of mire sites. (en)
  • Metoda nepřímého měření hladiny podzemní vody pomocí PVC pásky byla ověřována na přechodových rašeliništích (49 trvalých ploch). Zjistili jsme, že se pomocí této metody dá přesně zjišťovat pouze maximální hladina podzemní vody, zatímco minimum bývá značně zkresleno. Míra zkreslení závisí na hloubce rašelinného sedimentu. Navrhujeme zde nový způsob nepřímého měření minimální hladiny podzemní vody, pomocí změny barvy zelených bambusových tyčí. Obě metody společně umožňují finančně nenáročný monitoring vodního režimu velkého množství vzdálených ploch v přechodových rašeliništích. (cs)
Title
  • Recording relative water table depth using PVC tape discoloration: Advantages and constraints in fens
  • Recording relative water table depth using PVC tape discoloration: Advantages and constraints in fens (en)
  • Měření hladiny podzemní vody užitím PVC pásky: výhody a omezení v přechodových rašeliništích (cs)
skos:prefLabel
  • Recording relative water table depth using PVC tape discoloration: Advantages and constraints in fens
  • Recording relative water table depth using PVC tape discoloration: Advantages and constraints in fens (en)
  • Měření hladiny podzemní vody užitím PVC pásky: výhody a omezení v přechodových rašeliništích (cs)
skos:notation
  • RIV/67985939:_____/05:00026396!RIV06-AV0-67985939
http://linked.open.../vavai/riv/strany
  • 21;26
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA206/02/0568), Z(AV0Z6005908)
http://linked.open...iv/cisloPeriodika
  • -
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 540341
http://linked.open...ai/riv/idVysledku
  • RIV/67985939:_____/05:00026396
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • monitoring; peat hydrology; wetland (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [97DE7022950E]
http://linked.open...i/riv/nazevZdroje
  • Applied vegetation science
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 8
http://linked.open...iv/tvurceVysledku
  • Hájek, Michal
  • Navrátilová, Jana
http://linked.open...n/vavai/riv/zamer
issn
  • 1402-2001
number of pages
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