Article
Geosciences, Multidisciplinary
Xinchi Wang, Lian Feng, Wei Qi, Xiaobin Cai, Yi Zheng, Luke Gibson, Jing Tang, Xiao-peng Song, Junguo Liu, Chunmiao Zheng, Brett A. Bryan
Summary: This study reports the changes in global lake ice phenology, revealing a continuous loss of lake ice and providing a global lake ice phenology database. The generated database provides critical information for evaluating the consequences of historical and future lake ice changes.
GEOPHYSICAL RESEARCH LETTERS
(2022)
Article
Environmental Sciences
Wanying Cheng, Zhao Li, Liming Yan
Summary: Temperature is the primary factor affecting plant phenology, with spring leaf unfolding dates showing a certain pattern at different latitudes. Despite temperature warming in recent years, the stability of leaf unfolding dates in spring varies across different latitudes.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Meteorology & Atmospheric Sciences
M. Kikuchi, H. Okamoto, K. Sato
Summary: The study focuses on horizontal ice plates in clouds using satellite lidar measurements. It shows that tilting affects ice plate detection, decreasing it by 81.7%, with only 30.8% able to be recovered. However, geographical characteristics of ice plates are still preserved during off-nadir periods, hinting at potential undiscovered climatological information on ice plates in future observations.
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
(2021)
Article
Agriculture, Multidisciplinary
Guosong Zhao, Jinwei Dong, Jilin Yang, Huanjiong Wang, Junhu Dai, Yan Zhou, Yaoping Cui, Quansheng Ge
Summary: The impacts of anthropogenic effects on advanced spring green-up dates (GUDs) induced by global climate change are still unclear. This study examines the differences in GUDs between agroecosystems and natural ecosystems in China and explores the potential effects of cropland expansion on vegetation spring phenology. The results show that agroecosystems have significantly later GUDs than adjacent natural ecosystems, and the delay is more distinct in regions with remarkable land reclamation. The study emphasizes the importance of understanding the role of cropland expansion in driving inter-annual change of vegetation spring phenology and the integration of realistic crop green-up timing into climate models.
AGRICULTURE ECOSYSTEMS & ENVIRONMENT
(2023)
Article
Environmental Sciences
Hadi Zare Khormizi, Hamid Reza Ghafarian Malamiri, Zahra Kalantari, Carla Sofia Santos Ferreira
Summary: Investigating vegetation changes, especially plant phenology, can provide valuable insights into global warming and climate change. This study used time series satellite observations and remote sensing methods to analyze the phenological components of Iran's vegetation. The results showed significant changes in phenology, indicating an acceleration and earlier initiation of various phenological processes in the area.
Article
Environmental Sciences
Song Leng, Alfredo Huete, Jamie Cleverly, Qiang Yu, Rongrong Zhang, Qianfeng Wang
Summary: Accurate characterization of spatial patterns and temporal variations in dryland vegetation is crucial for understanding terrestrial ecosystem functioning in changing climates. Satellite observations of solar-induced chlorophyll fluorescence and enhanced vegetation index reveal the significant impacts of extreme drought and intense wetness on the phenology and productivity of dryland vegetation. The greenness-based vegetation index can better capture the seasonal and interannual variation in vegetation production.
Article
Agronomy
Gourav Misra, Sarah Asam, Annette Menzel
Summary: The study analyzed the impact of elevation on plant phenology in the Bavarian Alps. It found that insufficient winter chilling due to warming could delay spring phenology. Significant differences in start of season dates between alpine and pre-alpine areas were observed in warmer years, while minimal differences were found in colder years.
AGRICULTURAL AND FOREST METEOROLOGY
(2021)
Article
Multidisciplinary Sciences
Hirofumi Hashimoto, Weile Wang, Jennifer L. Dungan, Shuang Li, Andrew R. Michaelis, Hideaki Takenaka, Atsushi Higuchi, Ranga B. Myneni, Ramakrishna R. Nemani
Summary: The study demonstrates that using a new generation of geostationary satellite sensors for studying seasonal patterns of the Amazon forest is more effective than traditional polar orbiting satellites, providing more cloud-free observations and significant findings on the seasonality changes in the Amazon forest.
NATURE COMMUNICATIONS
(2021)
Article
Environmental Sciences
Yingyi Zhao, Calvin K. F. Lee, Zhihui Wang, Jing Wang, Yating Gu, Jing Xie, Ying Ki Law, Guangqin Song, Timothy C. Bonebrake, Xi Yang, Bruce W. Nelson, Jin Wu
Summary: In temperate forests, leaf phenology can serve as an indicator of climate change and is a key factor in seasonal carbon and water cycling. Conventional approaches for monitoring individual tree-scale leaf phenology are often limited in spatial extent and sample size, but the availability of PlanetScope satellite data presents an opportunity to overcome these limitations.
REMOTE SENSING OF ENVIRONMENT
(2022)
Article
Environmental Sciences
Yu Shen, Xiaoyang Zhang, Weile Wang, Ramakrishna Nemani, Yongchang Ye, Jianmin Wang
Summary: By combining ABI data with Landsat-8/Sentinel-2 time series, the study generated a high spatiotemporal resolution LSP time series for monitoring field-scale LSP. It was found that ABI provided more high-quality observations around greenup onset, and the results from HLS-ABI were more accurate and consistent compared to HLS or ABI alone.
Article
Astronomy & Astrophysics
Jin Hu, Haibing Ruan, Jiuhou Lei, Jiahao Zhong, Charles Owolabi
Summary: This study investigates the longitudinal variations of the middle latitude ionosphere using in situ electron density observations from the Planar Langmuir Probe onboard the Challenging Minisatellite Payload satellite. The results show significant seasonal and local time dependence of the longitudinal variation, which is different in the Northern and Southern Hemispheres. The analysis suggests that the interaction between the geomagnetic fields and the thermospheric winds drives the longitudinal variations in the ionosphere at middle latitudes.
EARTH AND SPACE SCIENCE
(2022)
Article
Plant Sciences
Tara K. Miller, Amanda S. Gallinat, Linnea C. Smith, Richard B. Primack
Summary: The study found strong correlations in fruiting phenology between observations by Henry David Thoreau and data from herbaria, indicating that these two sources capture similar phenological information. However, differences in the timing of first, last, and duration of fruiting suggest that historical datasets collected with different methods may not be directly comparable.
Article
Environmental Sciences
Siddhartha Khare, Annie Deslauriers, Hubert Morin, Hooman Latifi, Sergio Rossi
Summary: This study compares the phenology of black spruce using PhenoCam and MODIS data, and finds that the EVI index is more suitable for evaluating the phenology of evergreen species in the northern boreal region.
Article
Meteorology & Atmospheric Sciences
Annan Chen, Chuanfeng Zhao, Tianyi Fan
Summary: This study estimates the aerosol direct radiative forcing in a specific region over time, finding a close relationship between ADR and AOD, with higher aerosol and ADR levels in spring and summer. The data suggests regions with frequent sandstorms and rapid economic growth have higher ADR levels.
ATMOSPHERIC RESEARCH
(2022)
Article
Ecology
Liyang Liu, Fanxi Gong, Xiuzhi Chen, Yongxian Su, Lei Fan, Shengbiao Wu, Xueqin Yang, Jing Zhang, Wenping Yuan, Philippe Ciais, Chenghu Zhou
Summary: This study found two different responses of tropical forests to drought, with trees with higher CGPs values being more susceptible to drought stress but recovering faster, while trees with lower CGPs values grew during drought and declined in recovery. Eddy covariance observations supported the satellite findings. Additionally, analysis of climatic factors showed a correlation between a tree's CGPs value and its ability to respond to water scarcity or sunlight availability. These results highlight the diverse responses of tropical forests to drought stress.
REMOTE SENSING IN ECOLOGY AND CONSERVATION
(2022)