Search Results - "Bégin, Y"

A millennial summer temperature reconstruction for northeastern Canada using oxygen isotopes in subfossil trees by Naulier, M, Savard, M. M, Bégin, C, Gennaretti, F, Arseneault, D, Marion, J, Nicault, A, Bégin, Y

“…Climatic reconstructions for northeastern Canada are scarce such that this area is under-represented in global temperature reconstructions. To fill this lack…”
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Climate and Picea mariana seed maturation relationships: A multi-scale perspective by Meunier, C, Sirois, L, Begin, Y

“…One of the most important ways by which northern forests will respond to anticipated climate change is through variations in seed maturation. In this study,…”
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Interpolation of monthly mean temperatures using cokriging in spherical coordinates by Aznar, J.‐C., Gloaguen, E., Tapsoba, D., Hachem, S., Caya, D., Bégin, Y

“…Paleoclimate reconstructions are generally validated on recent periods. To obtain a set of instrumental records at the regional scale, a time series of monthly…”
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Carbon and oxygen isotopes of lakeshore black spruce trees in northeastern Canada as proxies for climatic reconstruction by Naulier, M., Savard, M.M., Bégin, C., Marion, J., Arseneault, D., Bégin, Y.

“…In the boreal zone of northeastern Canada, paleoclimatic reconstructions of millennial length are rare and long isotopic climatic records are unavailable…”
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Hydrological reconstruction from tree-ring multi-proxies over the last two centuries at the Caniapiscau Reservoir, northern Québec, Canada by Nicault, A., Boucher, E., Bégin, C., Guiot, J., Marion, J., Perreault, L., Roy, R., Savard, M.M., Bégin, Y.

“…•We performed hydrological reconstructions from tree-rings in northern boreal region.•We reconstructed annual and summer water supplies back to 1800 for…”
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Temporal instability of isotopes–climate statistical relationships – A study of black spruce trees in northeastern Canada by Naulier, M., Savard, M.M., Bégin, C., Marion, J., Nicault, A., Bégin, Y.

“…Climate reconstructions using stable isotopes (δ18O and δ13C values) in tree rings are based on relationships between present climatic conditions and isotopic…”
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Is tree growth reduction related to direct foliar injuries or soil chemistry modifications? by Aznar, J.-C., Richer-Laflèche, M., Paucar-Muñoz, H., Bordeleau, M., Bégin, Y.

“…In the context of intense emissions causing atmospheric pollution, tree growth reductions could be related to soil chemistry modifications or direct foliar…”
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Lead Exclusion and Copper Translocation in Black Spruce Needles by Aznar, J.-C, Richer-Laflèche, M, Bégin, C, Bégin, Y

“…Current-year, 1-year-old, and 2-year-old needles were collected separately on 37 black spruce (Picea mariana Mill. B.S.P.) trees located on a heavy metal…”
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Quantifications of dendrochronological information from contrasting microdensitometric measuring circumstances of experimental wood samples by Helama, S., Bégin, Y., Vartiainen, M., Peltola, H., Kolström, T., Meriläinen, J.

“…We analyzed how the pretreatment method of Scots pine (Pinus sylvestris L.) wood specimens together with X-ray methodology applied for density analyses affect…”
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Field litter thickness assessed by gamma-ray spectrometry by Aznar, J-.C., Paucar-Munoz, H., Richer-Laflèche, M., Bégin, Y.

“…[Display omitted] ▶ Total gamma-ray emissions provide a covariable that is linearly related to litter thickness. This secondary information can be used to…”
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Development of a raised bog over 9000 years in Atlantic Canada by Robichaud, A, Begin, Y

“…The chronostratigraphy of a coastal bog was studied in order to distinguish the roles of autogenic and allogenic factors in peatland development. Well-dated…”
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1300-year tree-ring width and density series based on living, dead and subfossil black spruce at tree-line in Subarctic Quebec, Canada by Wang, Lily, Payette, Serge, Bégin, Yves

“…Living, dead and subfossil trees of black spiruce (Picea mariina [Mill.] BSP were used to build a 1300-year chronology based on ring width and wood density…”
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Ice-push disturbances in high-Boreal and Subarctic lakeshore ecosystems since AD 1830, northern Québec, Canada by BEGIN, Y

“…Ice scars on lakeshore trees were surveyed on the islands of two large lakes in northern Québec: Clearwater Lake (1270 km2) and Bienville Lake (900 km2),…”
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Climatic and ecological controls on ice segregation and thermokarst: The case history of a permafrost plateau in Northern Quebec by Allard, Michel, Caron, Serge, Bégin, Yves

“…A reconstruction of the historical evolution of a permafrost plateau typical of the discontinuous permafrost zone was carried out at a site selected along the…”
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Using ice-scars as indicators of exposure to physical lakeshore disturbances, Corvette Lake, northern Québec, Canada by Lemay, Mickaël, Bégin, Yves

“…ABSTRACT The hypothesis tested in this study is that ice‐scars recorded by lakeshore tree stands can be used as an integrative proxy indicator of the overall…”
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Tree-ring response of Populus tremula L. and Quercus robur L. to recent spring floods of the Saone River, France by Astrade, L, Begin, Y

“…The effects of floods on the radial growth of Populus tremula L. and Quercus robur L. in past decades were studied on a forested island in the Saône River…”
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A Quantitative Definition of Light Rings in Black Spruce (Picea mariana) at the Arctic Treeline in Northern Quebec, Canada by Wang, Lily, Payette, Serge, Begin, Yves

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Reconstruction of Subarctic Lake Levels over Past Centuries using Tree Rings by BEGIN, Yves

“…This paper presents the dendrochronological markers used to date the erosive activity of ice and waves on the shores of two large lakes in Northern Quebec…”
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A recent downward expansion of shoreline shrubs at Lake Bienville (subarctic Quebec) by Bégin, Yves, Filion, Louise

“…The regeneration patterns of Alnus crispa (Air.) Pursh. in response to water level lowerings were studied along the shores of Lake Bienville (898 km 2) in…”
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The Effects of Shoreline Transgression on Woody Plants, Upper St. Lawrence Estuary, Québec by BEGIN, Y

“…The effects of high water levels on forest margins were studied along the shores of the upper St. Lawrence estuary in Québec. In recent decades lower limits of…”
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