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@article{1663018, author = {Švik, Marian and Oulehle, Filip and Krám, Pavel and Janoutová, Růžena and Tajovská, Kateřina and Homolová, Lucie}, article_location = {Basel, Switzerland}, article_number = {12}, doi = {http://dx.doi.org/10.3390/rs12121944}, keywords = {biogeochemistry; disturbance index; forest disturbance; GEOMON; Landsat; time series}, language = {eng}, issn = {2072-4292}, journal = {Remote Sensing}, title = {Landsat-Based Indices Reveal Consistent Recovery of Forested Stream Catchments from Acid Deposition}, url = {https://www.mdpi.com/2072-4292/12/12/1944}, volume = {12}, year = {2020} }
TY - JOUR ID - 1663018 AU - Švik, Marian - Oulehle, Filip - Krám, Pavel - Janoutová, Růžena - Tajovská, Kateřina - Homolová, Lucie PY - 2020 TI - Landsat-Based Indices Reveal Consistent Recovery of Forested Stream Catchments from Acid Deposition JF - Remote Sensing VL - 12 IS - 12 SP - 1-19 EP - 1-19 PB - MDPI SN - 20724292 KW - biogeochemistry KW - disturbance index KW - forest disturbance KW - GEOMON KW - Landsat KW - time series UR - https://www.mdpi.com/2072-4292/12/12/1944 L2 - https://www.mdpi.com/2072-4292/12/12/1944 N2 - Central European forests suffered from severe, large-scale atmospheric depositions of sulfur and nitrogen due to coal-based energy production during the 20th century. High deposition of acid compounds distorted soil chemistry and had negative effects on forest physiology and growth. Since 1994, continuous data on atmospheric deposition and stream runoff fluxes have provided evidence of ecosystem recovery from acidification. In this study, we combined for the first time mass budget data (sulfur deposition and total dissolved inorganic nitrogen (DIN) export) from the GEOMON monitoring network of headwater catchments with annual trajectories of vegetation indices derived from Landsat remote sensing observations. Time series of selected vegetation indices was constructed from Landsat 5, 7, and 8 using Google Earth Engine. Linear regression between the field data and vegetation indices was analyzed using R software. Biogeochemical responses of the forested catchment to declining acid deposition (driven by SO2 emission reduction) were consistent across all catchments covering various forest stands from different regions of the Czech Republic. Significant correlations were found with total sulfur depositions, suggesting that the forests are continuously and consistently prospering from reductions in acid deposition. Disturbance index (DI) was the only vegetation index that was well-related to changes in forest cover associated with salvage loggings (due to the forest decline) during the 1980s and 1990s. A significant relationship (R2 = 0.82) was found between the change in DI and DIN export in stream water. Regrowth of young forests in these highly affected areas tracks the most pronounced changes in total DIN export, suggesting a prominent role of vegetation in nitrogen retention. ER -
ŠVIK, Marian, Filip OULEHLE, Pavel KRÁM, Růžena JANOUTOVÁ, Kateřina TAJOVSKÁ a Lucie HOMOLOVÁ. Landsat-Based Indices Reveal Consistent Recovery of Forested Stream Catchments from Acid Deposition. \textit{Remote Sensing}. Basel, Switzerland: MDPI, 2020, roč.~12, č.~12, s.~1-19. ISSN~2072-4292. Dostupné z: https://dx.doi.org/10.3390/rs12121944.
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