High-arctic meromictic lake a

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Web14 de set. de 2024 · Study area. Lake A (83800 0 N, 75°30 ’ W), Lake B (82858 0 N, 75826 0 W), Lake C1 (82851 0 N, 78°12 ’ W) and Lake C2 (82850 0 N, 78°05’W) (unofficial names) are meromictic lakes located on the northwestern coast of Ellesmere Island, Nunavut, Canada ().They were formed after isostatic rebound caused the isolation of … Web20 de dez. de 2012 · Geochemistry of ice-covered, meromictic Lake A in the Canadian High Arctic. Aquat. Geochem. 8 97–119 [Google Scholar] Hammer Ø., Harper D. A. T., Ryan P. D. (2001). PAST: paleontological statistics software package for education and data analysis. Palaeontol.

Geochemistry of ice-covered, meromictic Lake A in the Canadian …

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... 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. toby heytens judge

Pyrosequencing analysis of the protist communities in a High …

WebHigh 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; … 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 … penny md cpu

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

High-arctic meromictic lake a

The comparative limnology of high arctic, coastal, meromictic lakes

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 … WebThe 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 …

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WebHigh Arctic meromictic lakes are extreme environments characterized by cold temperatures, low nutrient inputs from their polar desert catchments and prolonged periods of low … Web25 de abr. de 2024 · A meromictic lake is a lake whose water layers do not intermix. The term “meromictic” was coined in 1935 by Austrian Ingo Findenegg. Meromictic lakes are less often found than the holomictic …

Web19 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, … 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 …

WebSuspended 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 ... WebElevated surface paleobrine temperatures (average 85.6 °C) are reported here from Cretaceous marine halites in the Maha Sarakham Formation, Khorat Plateau, Thailand. Fluid inclusions in primary subaqueous “chevron” and “cumulate” halites associated with potash salts contain daughter crystals of sylvite (KCl) and carnallite (MgCl2·KCl·6H2O). …

WebA study of sedimentary processes and sediment yields in a high arctic meromictic lake (Lake C2, Taconite Inlet, Northern Ellesemere Island, Canada) was undertaken from …

WebHigh Arctic meromictic lakes are extreme environments characterized by cold tempera-tures, low nutrient inputs from their polar desert catchments and prolonged periods of low … penny mcmanus breast surgeonWebJeg 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 … penny mcnamee childrenWebLake A, located at an elevation of ~ 4 m above sea level, has a surface area of 4.9 km2, a water volume of 98.1 x 106 m3, a maximum known PERFLUORINATED CHEMICALS IN … penny mcnamee photosWeb30 de set. de 2015 · A meromictic lake has an upper mixolimnion (a stratum where mixing by wind occurs), a lower monimolimnion (the more dense stratum that is not mixed by … toby higgins musical directorWebAbstract. Five important features appear in rough order from the surface downwards in physical and chemical profiles from high arctic coastal meromictic lakes. These features … pennymead auctions knaresboroughWebVertical structure of archaeal communities and the distribution of ammonia monooxygenase A gene variants in two meromictic High Arctic lakes Jérémie Pouliot,1 Pierre E. Galand,1,2 Connie Lovejoy1 and Warwick F. Vincent3* 1Département de Biologie and Québec-Océan, Université Laval, Québec, QC G1V 0A6, Canada. penny mcraeWebGarrow Lake (75° 23′ N; 96° 50′ W), located 3 km from the southern tip of Little Cornwallis Island and 6.7 m above mean sea level, is a meromictic ecto-creno-cryogenic lake with an area of 418 ha and a maximum water depth of 49 m. The thermal stratification of this lake is mesothermic (heliothermic). pennymead books knaresborough