High-arctic meromictic lake a

WebThe geochemical processes occurring within meromictic Lake A (maxdepth 120 m) on northern Ellesmere Island, Canada, were investigated to determinethe history of the lake and to provide a baseline for future studies. The lake contained seawaterdiluted by freshwater input that had been mixed prior to the lake's isolation from tidalaction. WebHigh Arctic meromictic lakes are extreme environments characterized by cold temperatures, low nutrient inputs from their polar desert catchments and prolonged periods of low …

(PDF) Microbial communities involved in aerobic and

Web1 de jun. de 2015 · We applied high-throughput sequencing of the V9 region (18S rRNA gene) to provide a hitherto unique spatiotemporal analysis of protistan diversity along the oxygen gradient of a freshwater meromictic lake (Lake Alatsee, SW Germany). In the mixolimnion, the… View on PubMed doi.org Save to Library Create Alert Cite Figures … Web× Close. The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. church of god henderson nv https://robina-int.com

Extreme Viral Partitioning in a Marine-Derived High Arctic Lake

Web1 de nov. de 2009 · Lake A is located along the northern coast of Ellesmere Island in Quttinirpaaq National Park (83°00′ N, 75°30′ W; Fig. 1 ). It lies approximately 4 m above sea level, with a maximum known depth of 128 m, a surface area of 4.9 km 2, and a catchment of 37 km 2 ( Jeffries et al., 1984, Van Hove et al., 2006 ). Lake A is perennially ice-covered. WebJeg er miljøleder og for tiden i tillegg fungerende Sikkerhets- og kvalitetsleder i ett større utbyggingsprosjekt hos Bane NOR, og har over 12 års erfaring innen miljøovervåking og prosjektledelse. De siste årene har jeg hatt ansvaret for miljø-overvåking både innen Vannområder og samferdsel som utbygging av vei og jernbane. Foruten … WebArctic. The northern coastline of high Arctic Canada con-tains a series of meromictic (salinity stratified) lakes that retain their ice cover throughout most of the year. One of these lakes, named Lake A (Figure 1), was discovered in 1969 [Hattersley-Smith et al., 1970; Van Hove et al., 2006, and references therein], and like similarly ... dewalt storage box for circular saw

Vertical structure of archaeal communities and the ... - PubMed

Category:Geochemistry of ice-covered, meromictic Lake A in the Canadian High Arctic

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High-arctic meromictic lake a

The comparative limnology of high arctic, coastal, …

Web31 de ago. de 2024 · This study investigated the diversity of microbial communities in the water column of subarctic Lake Svetloe, belonging to a rare type of freshwater sulfate-poor meromictic basins with high... Web29 de jun. de 2007 · The level of Lake Tuborg increased by 7.6 m in 84 h. This jökulhlaup is the largest known to have occurred in the High Arctic, and the largest witnessed in …

High-arctic meromictic lake a

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Web2 de mar. de 2009 · The distribution of archaeal amoA and 16S rRNA genes was evaluated in two marine-derived, meromictic lakes in the Canadian High Arctic: Lake A and Lake C1 on the northern coast of Ellesmere Island. The amoA gene was recorded in both lakes, with highest copy numbers in the oxycline. Sequence analysis showed that amoA from the … Web28 de ago. de 2012 · Here we sampled Lake A, a deep meromictic lake at latitude 83°N in High Arctic Canada. Sampling was before (May) and after (August) an unusual ice-out event during the warm 2008 summer.

Web开馆时间:周一至周日7:00-22:30 周五 7:00-12:00; 我的图书馆 Web1 de jun. de 2002 · Lake A is a salinity-stratified, ice-capped lake located in a polar desert catchment on northern Ellesmere Island, Nunavut, Canada that has been the site of …

Web20 de dez. de 2012 · Pyrosequencing analysis of the protist communities in a High Arctic meromictic lake: DNA preservation and . change.pdf. Content available from CC BY 3.0: fmicb-03-00422.pdf. Web1 de set. de 2024 · Meromictic lakes are few in the world compared to holomictic lakes with some examples being Lake Tanganyika (the deepest lake in Africa), Lake Kivu, Kaptai Lake, Jellyfish Lake, Lake Cadagno, the Great Salt …

Weband four meromictic lakes (Lakes A, C1, C2, C3) were sam-pled on the northern coast of Ellesmere Island. Additional measurements were obtained at meromictic Romulus Lake further to the south on Ellesmere Island near Eureka, and at Char Lake, a freshwater lake in Resolute Bay on Cornwallis Island. The mean annual air temperatures at these sites ...

WebThe Lake C2 series is the first non-ice cap, high resolution late-Holocene environmental record from the Canadian high arctic. The composite varve series compares favorably … church of god holiness appleton city moWeb1 de jul. de 2024 · the area and compared them with High Arctic counterparts to assess regional signals during the past millennium. Study site Lake A (unofficial name, 83°00.00′N, 75°30.00′W) is a meromictic lake located at ~4 m above sea level (a.s.l.) in a 36-km 2 unglacierized catchment on the northern coast of Ellesmere Island, Nunavut ( Fig. 1). church of god holidaysWebSuspended sediment transport and deposition in a high arctic meromictic lake by: Retelle, Michael, et al. Published: (1996) Streamflow and suspended sediment transfer to Lake Sophia, Cornwallis Island, Nunavut, Canada by: Braun, C., et al. Published: (2000) Sediment Transport in the Tanana River near Fairbanks, Alaska ... church of god holiness el dorado springs moWebSpatial and temporal variability in a High Arctic meromictic lakeBy Sophie CharvetAbstract #914 to be presented at the IPY Montreal ConferenceFrostBytes -- '... church of god holiness directoryWebHigh Arctic meromictic lakes are extreme environments characterized by cold temperatures, ... (2012) Pyrosequencing analysis of the protist communities in a High Arctic meromictic lake: DNA preservation and change. Front. Microbio. 3:422. doi: 10.3389/fmicb.2012.00422. Received: 14 August 2012; Accepted: 24 November 2012; … church of god hilo hawaiiWeb20 de jan. de 2024 · The extreme geochemical and environmental conditions in meromictic ice-capped Lake A, in the Canadian High Arctic, provided an isolated, stratified model … church of god hiloWeb19 de set. de 2012 · Our analyses revealed the presence of several PFCs in catchment snowpack, inflowing streams, lake water, and the aquatic food web of Lake A (83˚00 ʹ N, … church of god history and heritage