Spring snow cover duration and tundra greenness in the Lena Delta, Siberia: two decades of MODIS satellite time series (2001–2021)
<jats:title>Abstract</jats:title> <jats:p>The Lena Delta in Siberia is the largest delta in the Arctic and as a snow-dominated ecosystem particularly vulnerable to climate change. Using the two decades of MODerate resolution Imaging Spectroradiometer satellite acquisitions, this st...
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Online Access: | https://epic.awi.de/id/eprint/57477/ https://epic.awi.de/id/eprint/57477/1/Heim_2022_Environ._Res._Lett._17_085005.pdf https://hdl.handle.net/10013/epic.fd99c39b-42c8-4c69-bd52-6048f333978b |
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ftawi:oai:epic.awi.de:57477 2024-06-02T08:02:51+00:00 Spring snow cover duration and tundra greenness in the Lena Delta, Siberia: two decades of MODIS satellite time series (2001–2021) Heim, Birgit Lisovski, Simeon Wieczorek, Mareike Morgenstern, Anne Juhls, Bennet Shevtsova, Iuliia Kruse, Stefan Boike, Julia Fedorova, Irina Herzschuh, Ulrike 2022-08-01 application/pdf https://epic.awi.de/id/eprint/57477/ https://epic.awi.de/id/eprint/57477/1/Heim_2022_Environ._Res._Lett._17_085005.pdf https://hdl.handle.net/10013/epic.fd99c39b-42c8-4c69-bd52-6048f333978b unknown IOP Publishing https://epic.awi.de/id/eprint/57477/1/Heim_2022_Environ._Res._Lett._17_085005.pdf Heim, B. orcid:0000-0003-2614-9391 , Lisovski, S. orcid:0000-0002-6399-0035 , Wieczorek, M. orcid:0000-0002-3180-1607 , Morgenstern, A. orcid:0000-0002-6466-7571 , Juhls, B. orcid:0000-0002-5844-6318 , Shevtsova, I. , Kruse, S. orcid:0000-0003-1107-1958 , Boike, J. orcid:0000-0002-5875-2112 , Fedorova, I. and Herzschuh, U. orcid:0000-0003-0999-1261 (2022) Spring snow cover duration and tundra greenness in the Lena Delta, Siberia: two decades of MODIS satellite time series (2001–2021) , Environmental Research Letters, 17 (8), 085005-085005 . doi:10.1088/1748-9326/ac8066 <https://doi.org/10.1088/1748-9326%2Fac8066> , hdl:10013/epic.fd99c39b-42c8-4c69-bd52-6048f333978b EPIC3Environmental Research Letters, IOP Publishing, 17(8), pp. 085005-085005, ISSN: 1748-9318 Article NonPeerReviewed 2022 ftawi https://doi.org/10.1088/1748-9326/ac8066 2024-05-07T23:37:52Z <jats:title>Abstract</jats:title> <jats:p>The Lena Delta in Siberia is the largest delta in the Arctic and as a snow-dominated ecosystem particularly vulnerable to climate change. Using the two decades of MODerate resolution Imaging Spectroradiometer satellite acquisitions, this study investigates interannual and spatial variability of snow-cover duration and summer vegetation vitality in the Lena Delta. We approximated snow by the application of the normalized difference snow index and vegetation greenness by the normalized difference vegetation index (NDVI). We consolidated the analyses by integrating reanalysis products on air temperature from 2001 to 2021, and air temperature, ground temperature, and the date of snow-melt from time-lapse camera (TLC) observations from the Samoylov observatory located in the central delta. We extracted spring snow-cover duration determined by a latitudinal gradient. The ‘regular year’ snow-melt is transgressing from mid-May to late May within a time window of 10 days across the delta. We calculated yearly deviations per grid cell for two defined regions, one for the delta, and one focusing on the central delta. We identified an ensemble of early snow-melt years from 2012 to 2014, with snow-melt already starting in early May, and two late snow-melt years in 2004 and 2017, with snow-melt starting in June. In the times of TLC recording, the years of early and late snow-melt were confirmed. In the three summers after early snow-melt, summer vegetation greenness showed neither positive nor negative deviations. Whereas, vegetation greenness was reduced in 2004 after late snow-melt together with the lowest June monthly air temperature of the time series record. Since 2005, vegetation greenness is rising, with maxima in 2018 and 2021. The NDVI rise since 2018 is preceded by up to 4 °C warmer than average June air temperature. The ongoing operation of satellite missions allows to monitor a wide range of land surface properties and processes that will provide urgently ... Article in Journal/Newspaper Arctic Climate change lena delta Tundra Siberia Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) Arctic Environmental Research Letters 17 8 085005 |
institution |
Open Polar |
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Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
op_collection_id |
ftawi |
language |
unknown |
description |
<jats:title>Abstract</jats:title> <jats:p>The Lena Delta in Siberia is the largest delta in the Arctic and as a snow-dominated ecosystem particularly vulnerable to climate change. Using the two decades of MODerate resolution Imaging Spectroradiometer satellite acquisitions, this study investigates interannual and spatial variability of snow-cover duration and summer vegetation vitality in the Lena Delta. We approximated snow by the application of the normalized difference snow index and vegetation greenness by the normalized difference vegetation index (NDVI). We consolidated the analyses by integrating reanalysis products on air temperature from 2001 to 2021, and air temperature, ground temperature, and the date of snow-melt from time-lapse camera (TLC) observations from the Samoylov observatory located in the central delta. We extracted spring snow-cover duration determined by a latitudinal gradient. The ‘regular year’ snow-melt is transgressing from mid-May to late May within a time window of 10 days across the delta. We calculated yearly deviations per grid cell for two defined regions, one for the delta, and one focusing on the central delta. We identified an ensemble of early snow-melt years from 2012 to 2014, with snow-melt already starting in early May, and two late snow-melt years in 2004 and 2017, with snow-melt starting in June. In the times of TLC recording, the years of early and late snow-melt were confirmed. In the three summers after early snow-melt, summer vegetation greenness showed neither positive nor negative deviations. Whereas, vegetation greenness was reduced in 2004 after late snow-melt together with the lowest June monthly air temperature of the time series record. Since 2005, vegetation greenness is rising, with maxima in 2018 and 2021. The NDVI rise since 2018 is preceded by up to 4 °C warmer than average June air temperature. The ongoing operation of satellite missions allows to monitor a wide range of land surface properties and processes that will provide urgently ... |
format |
Article in Journal/Newspaper |
author |
Heim, Birgit Lisovski, Simeon Wieczorek, Mareike Morgenstern, Anne Juhls, Bennet Shevtsova, Iuliia Kruse, Stefan Boike, Julia Fedorova, Irina Herzschuh, Ulrike |
spellingShingle |
Heim, Birgit Lisovski, Simeon Wieczorek, Mareike Morgenstern, Anne Juhls, Bennet Shevtsova, Iuliia Kruse, Stefan Boike, Julia Fedorova, Irina Herzschuh, Ulrike Spring snow cover duration and tundra greenness in the Lena Delta, Siberia: two decades of MODIS satellite time series (2001–2021) |
author_facet |
Heim, Birgit Lisovski, Simeon Wieczorek, Mareike Morgenstern, Anne Juhls, Bennet Shevtsova, Iuliia Kruse, Stefan Boike, Julia Fedorova, Irina Herzschuh, Ulrike |
author_sort |
Heim, Birgit |
title |
Spring snow cover duration and tundra greenness in the Lena Delta, Siberia: two decades of MODIS satellite time series (2001–2021) |
title_short |
Spring snow cover duration and tundra greenness in the Lena Delta, Siberia: two decades of MODIS satellite time series (2001–2021) |
title_full |
Spring snow cover duration and tundra greenness in the Lena Delta, Siberia: two decades of MODIS satellite time series (2001–2021) |
title_fullStr |
Spring snow cover duration and tundra greenness in the Lena Delta, Siberia: two decades of MODIS satellite time series (2001–2021) |
title_full_unstemmed |
Spring snow cover duration and tundra greenness in the Lena Delta, Siberia: two decades of MODIS satellite time series (2001–2021) |
title_sort |
spring snow cover duration and tundra greenness in the lena delta, siberia: two decades of modis satellite time series (2001–2021) |
publisher |
IOP Publishing |
publishDate |
2022 |
url |
https://epic.awi.de/id/eprint/57477/ https://epic.awi.de/id/eprint/57477/1/Heim_2022_Environ._Res._Lett._17_085005.pdf https://hdl.handle.net/10013/epic.fd99c39b-42c8-4c69-bd52-6048f333978b |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Climate change lena delta Tundra Siberia |
genre_facet |
Arctic Climate change lena delta Tundra Siberia |
op_source |
EPIC3Environmental Research Letters, IOP Publishing, 17(8), pp. 085005-085005, ISSN: 1748-9318 |
op_relation |
https://epic.awi.de/id/eprint/57477/1/Heim_2022_Environ._Res._Lett._17_085005.pdf Heim, B. orcid:0000-0003-2614-9391 , Lisovski, S. orcid:0000-0002-6399-0035 , Wieczorek, M. orcid:0000-0002-3180-1607 , Morgenstern, A. orcid:0000-0002-6466-7571 , Juhls, B. orcid:0000-0002-5844-6318 , Shevtsova, I. , Kruse, S. orcid:0000-0003-1107-1958 , Boike, J. orcid:0000-0002-5875-2112 , Fedorova, I. and Herzschuh, U. orcid:0000-0003-0999-1261 (2022) Spring snow cover duration and tundra greenness in the Lena Delta, Siberia: two decades of MODIS satellite time series (2001–2021) , Environmental Research Letters, 17 (8), 085005-085005 . doi:10.1088/1748-9326/ac8066 <https://doi.org/10.1088/1748-9326%2Fac8066> , hdl:10013/epic.fd99c39b-42c8-4c69-bd52-6048f333978b |
op_doi |
https://doi.org/10.1088/1748-9326/ac8066 |
container_title |
Environmental Research Letters |
container_volume |
17 |
container_issue |
8 |
container_start_page |
085005 |
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1800747320672780288 |