Search Results - "Mortimer, Colleen"

The world’s largest High Arctic lake responds rapidly to climate warming by Lehnherr, Igor, St. Louis, Vincent L., Sharp, Martin, Gardner, Alex S., Smol, John P., Schiff, Sherry L., Muir, Derek C. G., Mortimer, Colleen A., Michelutti, Neil, Tarnocai, Charles, St. Pierre, Kyra A., Emmerton, Craig A., Wiklund, Johan A., Köck, Günter, Lamoureux, Scott F., Talbot, Charles H.

“…Using a whole-watershed approach and a combination of historical, contemporary, modeled and paleolimnological datasets, we show that the High Arctic’s largest…”
Get full text

Spatiotemporal variability of Canadian High Arctic glacier surface albedo from MODIS data, 2001–2016 by Mortimer, Colleen A, Sharp, Martin

“…Inter-annual variations and longer-term trends in the annual mass balance of glaciers in Canada's Queen Elizabeth Islands (QEI) are largely attributable to…”
Get full text

Multiscale drivers of phytoplankton communities in north‐temperate lakes by Loewen, Charlie J. G., Wyatt, Faye R., Mortimer, Colleen A., Vinebrooke, Rolf D., Zurawell, Ron W.

“…Multiple factors operating across different spatial and temporal scales affect β‐diversity, the variation in community composition among sites. Disentangling…”
Get full text

Influence of recent warming and ice dynamics on glacier surface elevations in the Canadian High Arctic, 1995–2014 by MORTIMER, COLLEEN A., SHARP, MARTIN, VAN WYCHEN, WESLEY

“…Repeat airborne laser altimetry measurements show widespread thinning (surface lowering) of glaciers in Canada's Queen Elizabeth Islands since 1995. Thinning…”
Get full text

GlobSnow v3.0 Northern Hemisphere snow water equivalent dataset by Luojus, Kari, Pulliainen, Jouni, Takala, Matias, Lemmetyinen, Juha, Mortimer, Colleen, Derksen, Chris, Mudryk, Lawrence, Moisander, Mikko, Hiltunen, Mwaba, Smolander, Tuomo, Ikonen, Jaakko, Cohen, Juval, Salminen, Miia, Norberg, Johannes, Veijola, Katriina, Venäläinen, Pinja

“…We describe the Northern Hemisphere terrestrial snow water equivalent (SWE) time series covering 1979–2018, containing daily, monthly and monthly…”
Get full text

Volume and area changes of the Milne Ice Shelf, Ellesmere Island, Nunavut, Canada, since 1950 by Mortimer, Colleen A., Copland, Luke, Mueller, Derek R.

“…Ground penetrating radar (GPR) surveys of the 205 km2Milne Ice Shelf conducted in 2008 and 2009 are compared with radio echo sounding (RES) data from 1981 to…”
Get full text

Glacier surface temperatures in the Canadian High Arctic, 2000–15 by MORTIMER, COLLEEN A., SHARP, MARTIN, WOUTERS, BERT

“…Canada's Queen Elizabeth Islands (QEI) contain ~14% of the world's glacier and ice-cap area. Sparse in-situ measurements indicate that interannual variability…”
Get full text

Characterizing interannual variability of glacier dynamics and dynamic discharge (1999–2015) for the ice masses of Ellesmere and Axel Heiberg Islands, Nunavut, Canada by Van Wychen, Wesley, Davis, Jamie, Burgess, David O., Copland, Luke, Gray, Laurence, Sharp, Martin, Mortimer, Colleen

“…Landsat 7 and RADARSAT‐1/RADARSAT‐2 satellite images are used to produce the most comprehensive record of glacier motion in the Canadian High Arctic to date…”
Get full text

Evaluation of long-term Northern Hemisphere snow water equivalent products by Mortimer, Colleen, Mudryk, Lawrence, Derksen, Chris, Luojus, Kari, Brown, Ross, Kelly, Richard, Tedesco, Marco

“…Nine gridded Northern Hemisphere snow water equivalent (SWE) products were evaluated as part of the European Space Agency (ESA) Satellite Snow Product…”
Get full text

Multiscale drivers of phytoplankton communities in northtemperate lakes by Loewen, Charlie J. G., Wyatt, Faye R., Mortimer, Colleen A., Vinebrooke, Rolf D., Zurawell, Ron W.

“…Multiple factors operating across different spatial and temporal scales affect β-diversity, the variation in community composition among sites. Disentangling…”
Get full text

Retrospective tax law: Has Pandora's Box opened never to be shut again? by Loiacono, Rocco, Mortimer, Colleen

“…The recent Chevron case raised the issue of retrospectivity of legislation. While this issue is not new, it has been argued in the past that there are limits…”
Get full text

Canadian historical Snow Water Equivalent dataset (CanSWE, 1928–2020) by Vionnet, Vincent, Mortimer, Colleen, Brady, Mike, Arnal, Louise, Brown, Ross

“…In situ measurements of water equivalent of snow cover (SWE) – the vertical depth of water that would be obtained if all the snow cover melted completely – are…”
Get full text

A simple snow temperature index model exposes discrepancies between reanalysis snow water equivalent products by Elias Chereque, Aleksandra, Kushner, Paul J, Mudryk, Lawrence, Derksen, Chris, Mortimer, Colleen

“…Current global reanalyses show marked discrepancies in snow mass and snow cover extent for the Northern Hemisphere. Here, benchmark snow datasets are produced…”
Get full text

Implementing spatially and temporally varying snow densities into the GlobSnow snow water equivalent retrieval by Venäläinen, Pinja, Luojus, Kari, Mortimer, Colleen, Lemmetyinen, Juha, Pulliainen, Jouni, Takala, Matias, Moisander, Mikko, Zschenderlein, Lina

“…Snow water equivalent (SWE) is a valuable characteristic of snow cover, and it can be estimated using passive spaceborne radiometer measurements. The…”
Get full text