Preprints
https://doi.org/10.5194/essd-2023-7
https://doi.org/10.5194/essd-2023-7
31 May 2023
 | 31 May 2023
Status: a revised version of this preprint was accepted for the journal ESSD and is expected to appear here in due course.

Meteorological, snow and soil data, CO2, water and energy fluxes, from a low-Arctic valley in the forest-tundra ecotone of Northern Quebec

Georg Lackner, Florent Domine, Denis Sarrazin, Daniel Nadeau, and Maria Belke-Brea

Abstract. As the vegetation in the Arctic changes, tundra ecosystems along the southern border of the Arctic are becoming greener and gradually giving way to boreal ecosystems. This change is affecting local populations, wildlife, energy exchange processes between environmental compartments, and the carbon cycle. To understand the progression and the implications of this change in vegetation, satellite measurements and surface models can be employed. However, in situ observational data are required to validate these measurements and models. This paper presents observational data from two nearby sites in the forest–tundra ecotone in the Tasiapik Valley near Umiujaq in Northern Quebec, Canada. One site is on a mixture of lichen and shrub tundra. The associated data set comprises 9 years of meteorological, soil and snow data as well as 3 years of eddy covariance data. The other site, 850 m away, features vegetation consisting mostly of tall shrubs and black spruce. For that location, 6 years of meteorological, soil and snow data are available. In addition to the data from the automated stations, profiles for snow density and specific surface area were collected during field campaigns. The data are available at https://doi.org/10.1594/PANGAEA.946538 (Lackner et al., 2022b).

Georg Lackner, Florent Domine, Denis Sarrazin, Daniel Nadeau, and Maria Belke-Brea

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on essd-2023-7', Anonymous Referee #1, 23 Jul 2023
    • AC1: 'Reply on RC1', Florent Dominé, 13 Dec 2023
  • RC2: 'Comment on essd-2023-7', Julie Friddell, 23 Oct 2023
    • AC2: 'Reply on RC2', Florent Dominé, 13 Dec 2023

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on essd-2023-7', Anonymous Referee #1, 23 Jul 2023
    • AC1: 'Reply on RC1', Florent Dominé, 13 Dec 2023
  • RC2: 'Comment on essd-2023-7', Julie Friddell, 23 Oct 2023
    • AC2: 'Reply on RC2', Florent Dominé, 13 Dec 2023
Georg Lackner, Florent Domine, Denis Sarrazin, Daniel Nadeau, and Maria Belke-Brea

Data sets

Hydrometeorological, snow and soil data from a low-Arctic valley in the forest-tundra ecotone in Northern Quebec Georg Lackner, Florent Domine, Denis Sarrazin, Daniel F. Nadeau, and Maria Belke-Brea https://www.dropbox.com/sh/4j828hj4h2oee68/AACZS3yqD-_35r1K5_30B-S2a?dl=0

Hydrometeorological, snow and soil data from a low-Arctic valley in the forest-tundra ecotone in Northern Quebec Florent Domine, Denis Sarrazin, Daniel F. Nadeau, Georg Lackner, and Maria Belke-Brea https://www.dropbox.com/scl/fo/mjacraie1jf7dz0ly9mu3/h?rlkey=m5c2qcocskrqsafo3judgt0no&dl=0

Georg Lackner, Florent Domine, Denis Sarrazin, Daniel Nadeau, and Maria Belke-Brea

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Short summary
The forest tundra ecotone is the transition region between the boreal forest and arctic tundra. It spans over 13,000 km across the Arctic and is evolving rapidly because of climate change. We provide extensive data sets of 2 sites 850 m apart, one in tundra and one in forest in this ecotone for use in various models. Data include meteorological and flux data, and unique snow and soil physics data.
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