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1

Simulating shrubs and their energy and carbon dioxide fluxes in Canada's Low Arctic with the Canadian Land Surface Scheme Including biogeochemical Cycles (CLASSIC)

by Meyer, Gesa, Humphreys, Elyn R., Melton, Joe R., Cannon, Alex J., Lafleur, Peter M.
Published 2020
Subjects: “...Eddy covariance...”

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2

Simulating shrubs and their energy and carbon dioxide fluxes in Canada's Low Arctic with the Canadian Land Surface Scheme Including biogeochemical Cycles (CLASSIC)

by Meyer, Gesa, Humphreys, Elyn R., Melton, Joe R., Cannon, Alex J., Lafleur, Peter M.
Published 2020
Subjects: “...Eddy covariance...”

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3

Simulating shrubs and their energy and carbon dioxide fluxes in Canada's Low Arctic with the Canadian Land Surface Scheme Including biogeochemical Cycles (CLASSIC)

by Meyer, Gesa, Humphreys, Elyn R., Melton, Joe R., Cannon, Alex J., Lafleur, Peter M.
Published 2020
Subjects: “...Eddy covariance...”

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Article in Journal/Newspaper
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4

NEE from 1 May to 7 June of years 2004–2007 at Daring Lake MT (left) and Ivotuk (right) as observed using the eddy covariance technique (black), and as estimated by the RESP 0 & GEE 0 (orange) and RESP...

by K A Luus, R E J Kelly, J C Lin, E R Humphreys, P M Lafleur, W C Oechel
Published 2013
“...) as observed using the eddy covariance technique (black), and as estimated by the RESP 0 & GEE 0 (orange...”

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5

NEE from 1 May to 7 June of years 2004–2007 at Daring Lake MT (left) and Ivotuk (right) as observed using the eddy covariance technique (black), and as estimated by the RESP 0 & GEE 0 (orange) and RESP...

by K A Luus, R E J Kelly, J C Lin, E R Humphreys, P M Lafleur, W C Oechel
Published 2013
“...) as observed using the eddy covariance technique (black), and as estimated by the RESP 0 & GEE 0 (orange...”

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6

Improving estimates of net ecosystem CO2 exchange between the Arctic land surface and the atmosphere

by Luus, Kristina
Published 2013
“... eddy covariance, and modeling approaches such as the Vegetation Photosynthesis Respiration Model (VPRM...”

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7

Uncertainty in 1 May–30 June (MJ) and snow season (SS) estimates of NEE by VPRM both with ( s ) and without ( 0 ) representations of the influences of snow on respiration and GEE

by K A Luus, R E J Kelly, J C Lin, E R Humphreys, P M Lafleur, W C Oechel
Published 2013
“... in brackets. All error rates were calculated by comparing daily average eddy covariance NEE to daily average...”

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8

Uncertainty in 1 May–30 June (MJ) and snow season (SS) estimates of NEE by VPRM both with ( s ) and without ( 0 ) representations of the influences of snow on respiration and GEE

by K A Luus, R E J Kelly, J C Lin, E R Humphreys, P M Lafleur, W C Oechel
Published 2013
“... in brackets. All error rates were calculated by comparing daily average eddy covariance NEE to daily average...”

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9

The effect of scale on the relative importance of climatic and biotic variables influencing methane fluxes from an Arctic wet sedge meadow

by Riley, Emma Grace
Published 2018
“... measured on a quasi-continuous basis employing an eddy covariance technique were roughly 50% of plot-scale...”

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10

Modeling the influence of snow cover on low Arctic net ecosystem exchange

by Luus, K.A., Kelly, R.E.J., Lin, J.C., Humphreys, E. (Elyn), Lafleur, P.M., Oechel, W.C.
Published in Environmental Research Letters (2013)
“... performance was assessed by comparing VPRM output against unfilled eddy covariance observations from Daring...”

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Article in Journal/Newspaper
Select result number 11
11

T air (green) and 10 cm T soil (yellow) over time at Daring Lake MT (2005)

by K A Luus, R E J Kelly, J C Lin, E R Humphreys, P M Lafleur, W C Oechel
Published 2013
“... performance was assessed by comparing VPRM output against unfilled eddy covariance observations from Daring...”

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12

Estimates of annual net carbon exchange (gC m −2 yr −1 ) by different VPRM formulations

by K A Luus, R E J Kelly, J C Lin, E R Humphreys, P M Lafleur, W C Oechel
Published 2013
“... performance was assessed by comparing VPRM output against unfilled eddy covariance observations from Daring...”

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13

Mean absolute error of all model formulations at Ivotuk for the snow seasons of years 2004 (dark gray) to 2007 (light gray)

by K A Luus, R E J Kelly, J C Lin, E R Humphreys, P M Lafleur, W C Oechel
Published 2013
“... against unfilled eddy covariance observations from Daring Lake and Ivotuk (2004–2007). The uncertainty...”

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14

Net carbon (tC ha −1 ) predicted in years 2004 (dark gray) to 2007 (light gray) by RESP 0 & GEE 0 and RESP s & GEE 0

by K A Luus, R E J Kelly, J C Lin, E R Humphreys, P M Lafleur, W C Oechel
Published 2013
“... against unfilled eddy covariance observations from Daring Lake and Ivotuk (2004–2007). The uncertainty...”

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15

The ordinal date at which SCA is first below 50% according to time-lapse camera observations and interpolated estimates of SCA derived from Landsat and MODIS over four vegetation t...

by K A Luus, R E J Kelly, J C Lin, E R Humphreys, P M Lafleur, W C Oechel
Published 2013
“... and/or photosynthesis. Model performance was assessed by comparing VPRM output against unfilled eddy covariance...”

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Select result number 16
16

Ecological controls on net ecosystem productivity of a mesic arctic tundra under current and future climates

by Dimitrov, D. D., Grant, R. F., Lafleur, P. M., Humphreys, E. R.
Published 2011
“... for these changes with CO(2) and energy fluxes measured by eddy covariance over a mesic shrub tundra at Daring Lake...”

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17

Uncertainty in 1 May–30 June (MJ) and snow season (SS) estimates of NEE by VPRM at Daring Lake and Ivotuk, using formulations through which respiration is calculated year-round as...

by K A Luus, R E J Kelly, J C Lin, E R Humphreys, P M Lafleur, W C Oechel
Published 2013
“... and/or photosynthesis. Model performance was assessed by comparing VPRM output against unfilled eddy covariance...”

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Select result number 18
18

Ecosystem CO2 and CH4 exchange in a mixed tundra and a fen within a hydrologically diverse Arctic landscape: 1. Modeling versus measurements

by Grant, R.F., Humphreys, E. (Elyn), LaFleur, P.M.
Published in Journal of Geophysical Research: Biogeosciences (2015)
“... with CO 2 fluxes measured by eddy covariance from 2006 to 2009, and with CH 4 fluxes measured with surface...”

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Article in Journal/Newspaper
Select result number 19
19

T air (green) and 10 cm T soil (yellow) over time at Daring Lake MT (2005)

by K A Luus, R E J Kelly, J C Lin, E R Humphreys, P M Lafleur, W C Oechel
Published 2013
“... performance was assessed by comparing VPRM output against unfilled eddy covariance observations from Daring...”

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Still Image
Select result number 20
20

Estimates of annual net carbon exchange (gC m −2 yr −1 ) by different VPRM formulations

by K A Luus, R E J Kelly, J C Lin, E R Humphreys, P M Lafleur, W C Oechel
Published 2013
“... performance was assessed by comparing VPRM output against unfilled eddy covariance observations from Daring...”

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Dataset