Physical and Chemical Limnological Characteristics of 38 Lakes and Ponds on Bathurst Island, Nunavut, Canadian High Arctic

Lim, D. S. S.; Douglas, Marianne S. V.; Smol, John P.; Lean, D. R. S.

doi:10.1002/1522-2632(200101)86:1<1::aid-iroh1>3.0.co;2-e

Cited by 71 publications

(54 citation statements)

References 33 publications

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“…The oasis and northern sites were not significantly different with respect to pH values (mean oasis = 8.23, mean northern = 8.20, Tables 1 and 2), and their mean pH values were similar to values measured elsewhere in the Canadian Arctic, including Devon Island (Lim and Douglas, 2003) and Bathurst Island (Lim et al, 2001), as well as Alert, Ellesmere Island (Antoniades et al, 2003a). The similar pH both between our two groups of sites and between our study and previous surveys (Lim et al, 2001;Antoniades et al, 2003a;Lim and Douglas, 2003) likely reflects the broadly similar bedrock common to most of the sites.…”

Section: Ph Specific Conductivity and Major Ionssupporting

confidence: 80%

“…The similar pH both between our two groups of sites and between our study and previous surveys (Lim et al, 2001;Antoniades et al, 2003a;Lim and Douglas, 2003) likely reflects the broadly similar bedrock common to most of the sites.…”

Section: Ph Specific Conductivity and Major Ionssupporting

confidence: 51%

“…Water temperature was recorded with a hand-held thermometer, and samples for total phosphorus (unfiltered, TPu), trace metals (aluminum, Al; beryllium, Be; cadmium, Cd; chromium, Cr; cobalt, Co; copper, Cu; iron, Fe; lead, Pb;, manganese, Mn; molybdenum, Mo; nickel, Ni; vanadium, V; zinc, Zn; and silver, Ag), and major ions (calcium, Ca; magnesium, Mg; sodium, Na; potassium, K; chloride, Cl; sulphate SO 4 ) were retrieved, using pre-cleaned 125 mL sample bottles, from ~15 cm depth within the nearshore area of each site. We used sampling techniques and analyses identical to those of our previous limnological investigations, as well as a similar time frame, which allows us to make comparisons among regions (Douglas and Smol, 1994;Lim et al, 2001;Michelutti et al, 2002a, b;Lim and Douglas, 2003;Antoniades et al, 2003a, b;Lim et al, 2005).…”

Section: Sampling Techniquesmentioning

confidence: 99%

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Limnological Characteristics of a High Arctic Oasis and Comparisons across Northern Ellesmere Island

Keatley¹,

Douglas²,

Smol³

2009

ARCTIC

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ABSTRACT. Rapidly warming temperatures in the Arctic are predicted to markedly alter the limnology of tundra lakes and ponds. These changes include increases in aquatic production, pH, specific conductivity, and nutrient levels. However, baseline limnological data from High Arctic regions are typically restricted to single sampling events or to repeated samplings of a few select sites, which limits our ability to assess the influence of climatic change. We employ two techniques to examine the influence of a warmer climate on High Arctic aquatic ecosystems. First, we compare limnological characteristics in July 2003 of 23 ponds and lakes from an atypically warm High Arctic oasis on Ellesmere Island to those of 32 ponds and lakes located across northern Ellesmere Island, where climatic conditions are much cooler and more typical of High Arctic environments. Second, we resample 13 sites originally analyzed in 1963 to assess the influence that 40 years of rising temperatures (as documented by meteorological records) have had on the limnological characteristics of these freshwater ecosystems. The specific conductivity values, as well as the concentrations of nutrients and related variables (especially dissolved organic carbon, DOC), from the Arctic oasis sites are among the highest yet reported from the Canadian High Arctic, and they are significantly higher than those from the polar desert around northern Ellesmere Island. Comparison of the modern and historical data indicated that most oasis sites currently have higher pH than they did in 1963, which is consistent with the documented warming of temperatures.Key words: limnology, polar oasis, lakes, ponds, nutrients, DOC, climate change, Lake Hazen, Ellesmere Island, Canadian High Arctic RÉSUMÉ. On prévoit que les températures en hausse rapide dans l'Arctique auront pour effet de modifier considérablement la limnologie des lacs et étangs de la toundra. Parmi ces changements, notons l'augmentation de la production aquatique, du pH, de la conductibilité spécifique et des niveaux de nutriments. Toutefois, les données limnologiques de base des régions de l'Extrême-Arctique se limitent typiquement à des événements d'échantillonnage unique ou à des échantillonnages répétés de quelques sites choisis, ce qui a pour effet de restreindre notre aptitude à évaluer l'influence des changements climatiques. Nous avons eu recours à deux techniques pour examiner l'influence d'un climat plus chaud sur les écosystèmes aquatiques de l'Extrême-Arctique. Premièrement, nous comparons les caractéristiques limnologiques de juillet 2003 de 23 lacs et étangs d'oasis atypiquement chaudes de l'Extrême-Arctique sur l'île d'Ellesmere à celles de 32 étangs et lacs parsemés dans le nord de l'île d'Ellesmere, où les conditions climatiques sont beaucoup plus fraîches et plus typiques des milieux de l'Extrême-Arctique. Deuxièmement, nous avons rééchantillonné 13 sites qui avaient d'abord été analysés en 1963 et ce, dans le but d'évaluer l'influence qu'ont eu 40 années de températures à la hausse (d'ap...

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Section: Ph Specific Conductivity and Major Ionssupporting

confidence: 80%

Section: Ph Specific Conductivity and Major Ionssupporting

confidence: 51%

Section: Sampling Techniquesmentioning

confidence: 99%

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Limnological Characteristics of a High Arctic Oasis and Comparisons across Northern Ellesmere Island

Keatley¹,

Douglas²,

Smol³

2009

ARCTIC

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“…Our volumetric phytoplankton chl a concentrations of 0.6-2.3 g L ‫1מ‬ are similar to earlier reports from surveys in Arctic Foothills lakes 290 / ARCTIC, ANTARCTIC, AND ALPINE RESEARCH (Kling et al, 1992;Levine and Whalen, 2001;LaPerriere et al, 2003;Whalen et al, 2008) and other regions of the Arctic (Pienitz et al, 1997a(Pienitz et al, , 1997bHamilton et al, 2001;Lim et al, 2001;Michelutti et al, 2002), which often show values around 1-2 g L…”

Section: Discussionsupporting

confidence: 79%

Microphytobenthos in Shallow Arctic Lakes: Fine-Scale Depth Distribution of Chlorophylla, Radiocarbon Assimilation, Irradiance, and Dissolved O₂

Whalen

Lofton

McGowan

et al. 2013

Arctic, Antarctic, and Alpine Research

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“…Measurements of pH indicated that Crazy Lake is alkaline, which is in general consistent with values recorded across other Arctic regions (Douglas and Smol, 1994;Pienitz et al, 1997a, b;Bloom et al, 2000;Antoniades et al, 2000Antoniades et al, , 2003Hamilton et al, 2001;Lim et al, 2001). The alkalinity of Arctic lakes and ponds is predominantly caused by carbonate bedrock and glacial material.…”

Section: Lake Parameterssupporting

confidence: 83%

Community Monitoring of Environmental Change: College-Based Limnological Studies at Crazy Lake (Tasirluk), Nunavut

Dyck¹

2009

ARCTIC

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ABSTRACT. In light of the difficult logistics and high cost of polar research into climate change, involvement of local people can contribute immensely to important data collection. One can use the knowledge and skills of human resources that are already present-teachers, students, and community members. An example is the long-term Arctic monitoring program established at Crazy Lake (63˚51' N, 68˚28' W) near Iqaluit, Nunavut, to monitor snow and ice thickness, biological components, and water chemistry. Nunavut Arctic College students collected basic limnological data at Crazy Lake during spring field camps held between 10 and 16 April in 2005 and 2006. Mean snow depth ± SD for Crazy Lake was 0.46 ± 0.13 m (n = 24). White ice averaged 0.13 ± 0.12 m and black ice 1.38 ± 0.28 m. Total ice thickness (white ice + black ice) ranged between 0.91 and 1.91 m (mean = 1.51 ± 0.22 m). The total lake cover (snow + ice) averaged 1.97 ± 0.20 m. Water depth ranged from 1.48 to 18.58 m (mean = 10.10 ± 4.99 m).Key words: Arctic, Baffin Island, college project, community monitoring, freshwater, ice cover, lake, limnology, snow RÉSUMÉ. À la lumière de la complexité de la logistique et du coût élevé de la recherche polaire en matière de changement climatique, la participation des gens de la collectivité de la région à la collecte des données peut jouer un rôle très important en ce sens qu'il est possible de recourir aux connaissances et aux compétences des ressources humaines déjà en place, comme les enseignants, les élèves et les membres de la collectivité. Mots clés : Arctique, île de Baffin, projet du collège, surveillance par la collectivité, eau douce, couche de glace, limnologie, neige Traduit pour la revue Arctic par Nicole Giguère.

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Physical and Chemical Limnological Characteristics of 38 Lakes and Ponds on Bathurst Island, Nunavut, Canadian High Arctic

Cited by 71 publications

References 33 publications

Limnological Characteristics of a High Arctic Oasis and Comparisons across Northern Ellesmere Island

Limnological Characteristics of a High Arctic Oasis and Comparisons across Northern Ellesmere Island

Microphytobenthos in Shallow Arctic Lakes: Fine-Scale Depth Distribution of Chlorophylla, Radiocarbon Assimilation, Irradiance, and Dissolved O₂

Community Monitoring of Environmental Change: College-Based Limnological Studies at Crazy Lake (Tasirluk), Nunavut

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Physical and Chemical Limnological Characteristics of 38 Lakes and Ponds on Bathurst Island, Nunavut, Canadian High Arctic

Cited by 71 publications

References 33 publications

Limnological Characteristics of a High Arctic Oasis and Comparisons across Northern Ellesmere Island

Limnological Characteristics of a High Arctic Oasis and Comparisons across Northern Ellesmere Island

Microphytobenthos in Shallow Arctic Lakes: Fine-Scale Depth Distribution of Chlorophylla, Radiocarbon Assimilation, Irradiance, and Dissolved O2

Community Monitoring of Environmental Change: College-Based Limnological Studies at Crazy Lake (Tasirluk), Nunavut

Contact Info

Product

Resources

About

Microphytobenthos in Shallow Arctic Lakes: Fine-Scale Depth Distribution of Chlorophylla, Radiocarbon Assimilation, Irradiance, and Dissolved O₂