About: The evolution of the science of Bear Brook Watershed in Maine, USA

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The Bear Brook Watershed in Maine, USA is a paired watershed study with chemical manipulation of one watershed (West Bear = WB) while the other watershed (East Bear = EB) serves as a reference. Characterization of hydrology and chemical fluxes occurred in1987-1989, and demonstrated the similarity of the ca. 10 ha adjacent forested watersheds. From 1989-2010 we have added 1,800 eq (NH4)2SO4 ha-1 y-1 to WB. The 20-year chemical treatment with continuous measurements of critical variables in both watersheds has enabled the identification of decadal long processes, including declining SO4-2 in precipitation and in EB, evolving soil mechanisms that resist pH decrease, loss of soil base saturation, dramatically altered P biogeochemistry, unexpected mechanisms of storage of treatment S, and continuous high retention of treatment N. The Bear Brook Watershed in Maine, USA is a paired watershed study with chemical manipulation of one watershed (West Bear = WB) while the other watershed (East Bear = EB) serves as a reference. Characterization of hydrology and chemical fluxes occurred in1987-1989, and demonstrated the similarity of the ca. 10 ha adjacent forested watersheds. From 1989-2010 we have added 1,800 eq (NH4)2SO4 ha-1 y-1 to WB. The 20-year chemical treatment with continuous measurements of critical variables in both watersheds has enabled the identification of decadal long processes, including declining SO4-2 in precipitation and in EB, evolving soil mechanisms that resist pH decrease, loss of soil base saturation, dramatically altered P biogeochemistry, unexpected mechanisms of storage of treatment S, and continuous high retention of treatment N. (en)
Title	The evolution of the science of Bear Brook Watershed in Maine, USA The evolution of the science of Bear Brook Watershed in Maine, USA (en)
skos:prefLabel	The evolution of the science of Bear Brook Watershed in Maine, USA The evolution of the science of Bear Brook Watershed in Maine, USA (en)
skos:notation	RIV/67985831:_____/10:00348935!RIV11-AV0-67985831
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z30130516)
http://linked.open...iv/cisloPeriodika	1/4
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Navrátil, Tomáš
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Geologický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	258031
http://linked.open...ai/riv/idVysledku	RIV/67985831:_____/10:00348935
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Bear Brook Watershed in Maine; acidification; stream; soil; nitrogen; sulfur; phosphorus; base cations (en)
http://linked.open.../riv/klicoveSlovo	sulfur stream phosphorus soil acidification base cations Bear Brook Watershed in Maine nitrogen
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[AAFACDC99327]
http://linked.open...i/riv/nazevZdroje	Environmental Monitoring and Assessment
http://linked.open...in/vavai/riv/obor	DD
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	171
http://linked.open...iv/tvurceVysledku	Fernandez, I. J. Navrátil, Tomáš Norton, S. A. Almquist, H. Kahl, J. S. Rustad, L. E.
http://linked.open...ain/vavai/riv/wos	000283592800002
http://linked.open...n/vavai/riv/zamer	Zemský systém v průsečíku geologických procesů, vývoje života, klimatických a antropogenních vlivů
issn	0167-6369
number of pages	19 (xsd:int)

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