Quantifying the Effects of Snow on the Beginning of Vegetation Growth in the Mongolian Plateau
Snow is one of the important water sources for vegetation growth in the Mongolian Plateau, and temporal and spatial changes to it have a profound impact on terrestrial vegetation phenology. In recent years, due to global climate change, the snow associated with the different vegetation types of the...
| Main Authors: | , , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2023-02-01
|
| Series: | Remote Sensing |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2072-4292/15/5/1245 |
| _version_ | 1797614442963271680 |
|---|---|
| author | Xiang Zhang Chula Sa Quansheng Hai Fanhao Meng Min Luo Hongdou Gao Haochen Zhang Chaohua Yin Yuhui Zhang Hui Sun |
| author_facet | Xiang Zhang Chula Sa Quansheng Hai Fanhao Meng Min Luo Hongdou Gao Haochen Zhang Chaohua Yin Yuhui Zhang Hui Sun |
| author_sort | Xiang Zhang |
| collection | DOAJ |
| description | Snow is one of the important water sources for vegetation growth in the Mongolian Plateau, and temporal and spatial changes to it have a profound impact on terrestrial vegetation phenology. In recent years, due to global climate change, the snow associated with the different vegetation types of the Mongolian Plateau has changed substantially, and the mechanism of the resulting change in the vegetation growth date needs to be studied. To address this issue, we used the modified Carnegie Ames Stanford Approach (CASA) model was to estimate the start of growing season net primary productivity (SOS<sub>NPP</sub>) for different types of vegetation over the Mongolian Plateau from 2001 to 2019. An extensive study of the spatial changes in the SOS<sub>NPP</sub> and the responses reflected by the winter snow cover fraction (SCF<sub>Winter</sub>), spring snow melting date (SMD<sub>Spring</sub>), and SOS<sub>NPP</sub> to influencing factors is of great significance for ecosystem maintenance. We observed: (1) Different vegetation types exhibited similar changes; SCF<sub>Winter</sub> underwent a significant decrease of −0.2%, and SMD<sub>Spring</sub> followed a slow downward trend of −0.59 day of the year (DOY)/year for the whole study area. (2) In the Mongolia Plateau, SOS<sub>NPP</sub> showed a trend of significant decrease of −0.53 DOY/year. (3) The local hydrothermal condition coupling relationship effect on different vegetation types. Spring temperature (TEM<sub>Spring</sub>) has a direct effect on vegetation SOS<sub>NPP</sub>, with a path coefficient of −0.09 in the Mongolian Plateau. SCF<sub>Winter</sub> and SMD<sub>Spring</sub> were shown through a path analysis to employ different effects on vegetation SOS<sub>NPP</sub>. SMD<sub>Spring</sub> has a direct effect on vegetation SOS<sub>NPP</sub>, with a path coefficient of 0.53. (4) The SMD<sub>Spring</sub> and PRE<sub>Spring</sub> factors have a significant impact on vegetation SOS<sub>NPP</sub>, and they account for 21.11% and 21.26% of the whole study area SOS<sub>NPP</sub>, respectively. This study is expected to promote the examination of the snow phonological parameters of different related vegetation types and theoretical research on SOS<sub>NPP</sub>. |
| first_indexed | 2024-03-11T07:12:17Z |
| format | Article |
| id | doaj.art-6a8eebb8f59141af90f6a14f0ced9e1c |
| institution | Directory Open Access Journal |
| issn | 2072-4292 |
| language | English |
| last_indexed | 2024-03-11T07:12:17Z |
| publishDate | 2023-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Remote Sensing |
| spelling | doaj.art-6a8eebb8f59141af90f6a14f0ced9e1c2023-11-17T08:30:25ZengMDPI AGRemote Sensing2072-42922023-02-01155124510.3390/rs15051245Quantifying the Effects of Snow on the Beginning of Vegetation Growth in the Mongolian PlateauXiang Zhang0Chula Sa1Quansheng Hai2Fanhao Meng3Min Luo4Hongdou Gao5Haochen Zhang6Chaohua Yin7Yuhui Zhang8Hui Sun9College of Geographic Science, Inner Mongolia Normal University, Hohhot 010022, ChinaCollege of Geographic Science, Inner Mongolia Normal University, Hohhot 010022, ChinaDepartment of Geography, School of Arts and Sciences, National University of Mongolia, Ulaanbaatar 14200, MongoliaCollege of Geographic Science, Inner Mongolia Normal University, Hohhot 010022, ChinaCollege of Geographic Science, Inner Mongolia Normal University, Hohhot 010022, ChinaCollege of Geographic Science, Inner Mongolia Normal University, Hohhot 010022, ChinaCollege of Geographic Science, Inner Mongolia Normal University, Hohhot 010022, ChinaCollege of Geographic Science, Inner Mongolia Normal University, Hohhot 010022, ChinaCollege of Geographic Science, Inner Mongolia Normal University, Hohhot 010022, ChinaCollege of Geographic Science, Inner Mongolia Normal University, Hohhot 010022, ChinaSnow is one of the important water sources for vegetation growth in the Mongolian Plateau, and temporal and spatial changes to it have a profound impact on terrestrial vegetation phenology. In recent years, due to global climate change, the snow associated with the different vegetation types of the Mongolian Plateau has changed substantially, and the mechanism of the resulting change in the vegetation growth date needs to be studied. To address this issue, we used the modified Carnegie Ames Stanford Approach (CASA) model was to estimate the start of growing season net primary productivity (SOS<sub>NPP</sub>) for different types of vegetation over the Mongolian Plateau from 2001 to 2019. An extensive study of the spatial changes in the SOS<sub>NPP</sub> and the responses reflected by the winter snow cover fraction (SCF<sub>Winter</sub>), spring snow melting date (SMD<sub>Spring</sub>), and SOS<sub>NPP</sub> to influencing factors is of great significance for ecosystem maintenance. We observed: (1) Different vegetation types exhibited similar changes; SCF<sub>Winter</sub> underwent a significant decrease of −0.2%, and SMD<sub>Spring</sub> followed a slow downward trend of −0.59 day of the year (DOY)/year for the whole study area. (2) In the Mongolia Plateau, SOS<sub>NPP</sub> showed a trend of significant decrease of −0.53 DOY/year. (3) The local hydrothermal condition coupling relationship effect on different vegetation types. Spring temperature (TEM<sub>Spring</sub>) has a direct effect on vegetation SOS<sub>NPP</sub>, with a path coefficient of −0.09 in the Mongolian Plateau. SCF<sub>Winter</sub> and SMD<sub>Spring</sub> were shown through a path analysis to employ different effects on vegetation SOS<sub>NPP</sub>. SMD<sub>Spring</sub> has a direct effect on vegetation SOS<sub>NPP</sub>, with a path coefficient of 0.53. (4) The SMD<sub>Spring</sub> and PRE<sub>Spring</sub> factors have a significant impact on vegetation SOS<sub>NPP</sub>, and they account for 21.11% and 21.26% of the whole study area SOS<sub>NPP</sub>, respectively. This study is expected to promote the examination of the snow phonological parameters of different related vegetation types and theoretical research on SOS<sub>NPP</sub>.https://www.mdpi.com/2072-4292/15/5/1245snowNPPpath analysisimpact mechanismMongolian Plateau |
| spellingShingle | Xiang Zhang Chula Sa Quansheng Hai Fanhao Meng Min Luo Hongdou Gao Haochen Zhang Chaohua Yin Yuhui Zhang Hui Sun Quantifying the Effects of Snow on the Beginning of Vegetation Growth in the Mongolian Plateau Remote Sensing snow NPP path analysis impact mechanism Mongolian Plateau |
| title | Quantifying the Effects of Snow on the Beginning of Vegetation Growth in the Mongolian Plateau |
| title_full | Quantifying the Effects of Snow on the Beginning of Vegetation Growth in the Mongolian Plateau |
| title_fullStr | Quantifying the Effects of Snow on the Beginning of Vegetation Growth in the Mongolian Plateau |
| title_full_unstemmed | Quantifying the Effects of Snow on the Beginning of Vegetation Growth in the Mongolian Plateau |
| title_short | Quantifying the Effects of Snow on the Beginning of Vegetation Growth in the Mongolian Plateau |
| title_sort | quantifying the effects of snow on the beginning of vegetation growth in the mongolian plateau |
| topic | snow NPP path analysis impact mechanism Mongolian Plateau |
| url | https://www.mdpi.com/2072-4292/15/5/1245 |
| work_keys_str_mv | AT xiangzhang quantifyingtheeffectsofsnowonthebeginningofvegetationgrowthinthemongolianplateau AT chulasa quantifyingtheeffectsofsnowonthebeginningofvegetationgrowthinthemongolianplateau AT quanshenghai quantifyingtheeffectsofsnowonthebeginningofvegetationgrowthinthemongolianplateau AT fanhaomeng quantifyingtheeffectsofsnowonthebeginningofvegetationgrowthinthemongolianplateau AT minluo quantifyingtheeffectsofsnowonthebeginningofvegetationgrowthinthemongolianplateau AT hongdougao quantifyingtheeffectsofsnowonthebeginningofvegetationgrowthinthemongolianplateau AT haochenzhang quantifyingtheeffectsofsnowonthebeginningofvegetationgrowthinthemongolianplateau AT chaohuayin quantifyingtheeffectsofsnowonthebeginningofvegetationgrowthinthemongolianplateau AT yuhuizhang quantifyingtheeffectsofsnowonthebeginningofvegetationgrowthinthemongolianplateau AT huisun quantifyingtheeffectsofsnowonthebeginningofvegetationgrowthinthemongolianplateau |