Permafrost studies in Central Labrador-Ungava by J. Brian Bird

Cover of: Permafrost studies in Central Labrador-Ungava | J. Brian Bird

Published by McGill University in Montreal .

Written in English

Read online


  • Newfoundland and Labrador,
  • Knob Lake region.


  • Frozen ground -- Newfoundland and Labrador -- Knob Lake region.

Edition Notes

Bibliography: p. 139-143.

Book details

Statementedited by J. Brian Bird.
SeriesMcGill Sub-arctic research papers ;, no. 16, Geography department publication ;, no. 9
LC ClassificationsGB131 .M22 no. 16
The Physical Object
Paginationiv, 143 p. :
Number of Pages143
ID Numbers
Open LibraryOL5351101M
LC Control Number72276330

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Permafrost studies in Central Labrador-Ungava. [J Brian Bird] Home. WorldCat Home About WorldCat Help. Search.

Search for Library Items Search for Lists Search for Contacts Book: All Authors / Contributors: J Brian Bird. Find more information about: OCLC Number: Permafrost in central Labrador-Ungava occurs as discontinuous bodies of various shapes and sizes within the upland terrain above approximately feet in elevation.

In most mine areas of tne Knob Lake district, frozen ground is absent. At two locations shown in Figure 1, Ferriman and Timmins, permafrost presents, however, a problem to mining. A pilot project for permafrost investigations in central Labrador-Ungava. based on reference standards.

However, formatting rules can vary widely between applications and fields of interest or study. The specific requirements or preferences of your reviewing publisher, classroom teacher, institution or organization should be applied. Permafrost zonation in Labrador–Ungava ranges from very isolated patches through to continuous permafrost.

Here we present a new estimate of the distribution of permafrost at high resolution ( m × m) using spatial Permafrost studies in Central Labrador-Ungava book modelling supported by station data from 29 air and ground climate monitoring by: 7. Robert G. Way, Antoni G.

Lewkowicz, Modelling the spatial distribution of permafrost in Labrador–Ungava using the temperature at the top of permafrost, Canadian Journal of Earth Sciences, /cjes, 53, 10, (), ().Cited by: Central Yakutia, Permafrost Periglac., Proc, 15, pp 81–87 Google Scholar Chudinova SM, Frauenfeld OW, Barry RG, Zhang T, Sorokovikov VA () Relationship between air and soil temperature trends and periodicities in the permafrost regions of Russia.

Download Citation | The mapping of permafrost | Describes how permafrost maps have been compiled and the nature of the data sources that have been used.

Given the extent of permafrost in Canada. R.G. Way, A.G. LewkowiczModelling the spatial distribution of permafrost in Labrador–Ungava using the temperature at the top of permafrost Can.

Earth Sci., 53 (), pp./cjes   About 80% of China's permafrost is mountain permafrost. China contains about % of the mountain permafrost area of the northern hemisphere. Since the early s, researchers in China have conducted numerous field campaigns to determine permafrost and ground-ice distribution.

In a study published in the April issue of Nature Communications, paleoclimatologist and lead author Trevor Porter studies climate indicators such as water isotopes, tree rings and plant waxes for signs of climate patterns in the Holocene, a period of time that spans the p years.

In glaciated regions, paleoclimate research often relies on water isotopes measured from ice core samples. [1] In this study we provide a quantification of the main patterns of change of a subarctic peatland caused by permafrost decay monitored between and Up‐thrusting of the peatland surface due to permafrost aggradation during the Little Ice Age resulted in the formation of an extensive peat plateau that gradually fragmented into residual palsas from the 19th century to the present.

A new map of permafrost distribution in the Labrador-Ungava region of northeastern Canada. Robert G. Way1 1& Antoni G. Lewkowicz. 1Department of Geography, University of Ottawa, Permafrost studies in Central Labrador-Ungava book, Canada. The Permafrost Map of Canada shows the southernmost limit of discontinuous permafrost in the.

This book could be suitable for upper-level undergraduate students, graduate students, researchers, and practitioners interested in permafrost or cold region earth science in general.

The fundamental knowledge conveyed in the book should allow readers to continue into advanced studies on permafrost. With the update of the vegetation map (including wet meadow and barren land in the permafrost zone) and soil pits on the TP, the SOC pool was upscaled for the whole estimated permafrost area of × 10 4 km 2; this study estimated that Pg C is stored in m layer and Pg C in the upper 2 m soil layer (Zhao et al., ).

The permafrost zones of Canada extend across 50% of the country’s land area, with conditions varying from continuous through to isolated patches, along latitudinal and elevational gradients (Fig. 1; Heginbottom et al.

).Climate is a first-order control on permafrost temperature, with local microclimate also substantially affecting the ground surface temperature.

Warming and degradation of permafrost during the ongoing climate change is of growing concern. Recently, permafrost thawing has been recognized as a new factor triggering landslides in Iceland. Therefore, there is an increased need for a more thorough understanding of permafrost distribution and the temporal evolution of the ground thermal regime in this region.

This study focuses on regional. major contribution to studies in the discontinuous permafrost zone has resulted from the observations in the Central Labrador - Ungava Peninsula region.

These studies have been undertaken in connection with the open pit iron ore mining operations of the Iron Ore Company of Cana-da (I.O.C.C.). The mining operations in the Labrador Trough are. Permafrost lies close to the surface of the day, therefore, it is able to quickly respond to modern climatic changes.

Under these conditions, the goal of understanding the evolution of permafrost in the near future requires monitoring studies of the current state of permafrost and, first of all, its thermal conditions.

In this work, based on the experience of many years of research at the. The northern permafrost region holds the largest soil organic carbon reservoir in the world with approximately ± PgC (1 PgC = 10 15 g of carbon), which is twice the amount present in the atmosphere (Zimov et al.

; Tarnocai et al. ; Schuur et al. ).Upon thawing, permafrost could release large quantities of greenhouse gases into the atmosphere through the decomposition of. T o enter the Fox permafrost tunnel — one of the only places in the world dedicated to the firsthand scientific study of the mix of dirt and ice that covers much of the planet’s far northern latitudes — you must don a hard-hat then walk into the side of a hill.

The hill stands in the rural area of Fox, Alaska, 16 miles north of Fairbanks. The entrance is in a metal wall that’s like a. Permafrost The #1 Catalan bestseller and winner of the Llibreter booksellers prize, poet Baltasar’s novel is a forthright study of lesbian sexuality and suicide.

Desperate to get out of Barcelona, she goes to Brussels, ‘because a city whose symbol is a little boy pissing was a city I knew I would like’; as an au pair in Scotland, she. This study detected characteristics of thermokarst landforms using UAS and SfM-MVS photogrammetry at a disused airfield ( ha) and for arable land that was previously used for farming ( ha) in the Churapcha area, located on the right bank of the Lena River in central Yakutia.

There are large climatic differences among the boreal regions of the world. The extreme continental climates of central Siberia, with a mean annual temperature of –11°C or colder and precipitation of only mm, for example, contrasts strikingly with the semicoastal climate of Newfoundland, with a mean annual temperature of +5°C and precipitation of mm.

Yet both are considered boreal. Permafrost thermal amelioration techniques have been tested for 4 years near Schefferville (mean annual temperature −6 °C). The most important amelioration measure tested was the use of snow. W hen the Russian academician Baer reported to the Royal Geographical Society of London in that the ground in central Siberia was frozen to a depth of more than m [[HN1][1]], the observation was met with disbelief.

Permafrost [[HN2][2]] remained a scientific curiosity until Soviet experiences with construction on frozen ground led to the development of geocryology (permafrost studies. Regional Conference on Permafrost - Central Asia () Characteristics and Use of Frozen Ground and Permafrost Landforms.

Description: This book provides a general survey of Geocryology, which is the study of frozen ground called permafrost. Frozen ground is the product of cold climates as well as a variety of environmental factors. The study: “Economic impacts of carbon dioxide and methane released from thawing permafrost,” Nature Climate Change, Sept.

Takeaway: Thawing permafrost could cost the world $43 trillion. Introduction. The relationship between soil organic carbon (SOC) stocks and site characteristics has been well investigated in the temperate zones at local and regional scale (e.g.

–), but much less studies exist about the role of SOC in high-cold alpine regions (e.g. –).Studies in Arctic regions have shown that permafrost-influenced alpine ecosystems are highly sensitive to global climate.

Permafrost: Criteria: Permafrost is any ground that remains completely frozen—32°F (0°C) or colder—for at least two years straight. Global Distribution: These permanently frozen grounds are most common in regions with high mountains and in Earth’s higher latitudes—near the North and South Poles.

Coverage: Permafrost covers large regions of the Earth. Permafrost that is warm and/or warming is in danger of thawing. Approximately 25% of the exposed land area of Earth and ~80% of Alaska are underlain by permafrost. Mountain permafrost occurs at high elevations in western North America and on Mount Washington in New Hampshire.

Permafrost has also been found near the summit of Mauna Kea in Hawaii. State factors provide a powerful conceptual basis for understanding current patterns and potential changes in forest productivity (Chapter 1).

The BNZ-LTER program has focused on investigations of ecosystem structure and function related to state factors (time, topography, and climate) that account for dramatic spatial variation in productivity and provide a basis for predicting future. As has been recognized for more than 40 years (e.g.

Brown, ), although there is a general northward decrease in MAGT, the continental relation between temperature and latitude varies with longitude across North permafrost sites at low elevations, MAGT at a given latitude is generally lower in the central and eastern regions than in the rest of the continent.

Purchase The Boreal Ecosystem - 1st Edition. Print Book & E-Book. ISBN"Our situation today is that of neither land nor sea; updated for the twenty-first century, the central political elements are the dyad of air and fire."—Michael Marder [1]. This book is full of useful equations, examples, and references to papers for further reading.

Detailed discussion of design and construction on frozen ground (permafrost) and the use of temporary ground freezing for construction. Application to pipelines, structures, roads, runways, utilities Be sure to correct the following typos:Reviews: 5.

Study and classification of permafrost "In contrast to the relative dearth of reports on frozen ground in north America prior to World War II, a vast literature on the engineering aspects of permafrost was available in ing inSiemon William Muller delved into the relevant Russian literature held by the Library of Congress and the U.S.

Geological Survey Library so that he. Riverine dissolved inorganic carbon (DIC) exports play a central role in the regional and global carbon cycles. Here, we investigated the spatiotemporal variability and sources of DIC in eight catchments in the Yangtze River source region (YRSR) with variable permafrost.

Founded inPermafrost is housed at the University of Alaska Fairbanks MFA program, and run by dedicated creative writing graduate students.

We publish a winter print issue as well as a spring online issue, both of which feature compelling poetry, fiction, and literary nonfiction by established writers and new voices alike. Recent studies show that the average annual temperature on the Tibetan Plateau has risen to degrees Celsius since the s, and according to the Chinese Academy of Sciences, some permafrost areas on the Tibetan Plateau are 5 to 7 meters (16 to 23 feet) thinner now than they were just 20 years ago.

He then moved to U.B.C. as a Killam fellow, to study with Mackay, the world authority in his field. In recognition of his exceptional work, Chris was awarded a (Geography) by Durham University and the Polar Medal by the Governor General of Canada in He is President of the International Permafrost Association.

Foreword INDIES Book of the Year Awards Honorable Mention in Ecology and Environment. % of royalties support Woods Hole Research Center; Permafrost--dark, ice-flaked, permanently frozen ground that lies under tundra and boreal forests across our northern regions--covers more than 12 percent of the earth’s land s: 7.Permafrost Distribution.

Permafrost is a major subsurface feature across the high latitudes, and has been shown to impact moisture availability for groundwater and discharge Therefore the presence or absence of permafrost is an important influence on high-latitude hydrological processes To evaluate whether permafrost distribution could influence EF and ultimately feedback to modify the.Permafrost in the mountains of central Asia.

In Proceedings of the 3rd International Conference on Permafrost, JulyEdmonton, Alberta, Canada, Vol. 1. Ottawa, Ont., National Research Council of Canada,

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