Land data assimilation: Harmonizing theory and data in land surface process studies

X Li, F Liu, C Ma, J Hou, D Zheng, H Ma… - Reviews of …, 2024 - Wiley Online Library
Data assimilation plays a dual role in advancing the “scientific” understanding and serving
as an “engineering tool” for the Earth system sciences. Land data assimilation (LDA) has …

An agenda for land data assimilation priorities: Realizing the promise of terrestrial water, energy, and vegetation observations from space

S Kumar, J Kolassa, R Reichle, W Crow… - Journal of Advances …, 2022 - Wiley Online Library
The task of quantifying spatial and temporal variations in terrestrial water, energy, and
vegetation conditions is challenging due to the significant complexity and heterogeneity of …

Challenges in understanding the variability of the cryosphere in the Himalaya and its impact on regional water resources

BD Vishwakarma, R Ramsankaran, MF Azam… - Frontiers in …, 2022 - frontiersin.org
The Himalaya plays a vital role in regulating the freshwater availability for nearly a billion
people living in the Indus, Ganga, and Brahmaputra River basins. Due to climate change …

Passive microwave remote sensing of snow depth: Techniques, challenges and future directions

S Tanniru, R Ramsankaran - Remote Sensing, 2023 - mdpi.com
Monitoring snowpack depth is essential in many applications at regional and global scales.
Space-borne passive microwave (PMW) remote sensing observations have been widely …

Improving snow estimates through assimilation of MODIS fractional snow cover data using machine learning algorithms and the common land model

J Hou, C Huang, W Chen… - Water Resources Research, 2021 - Wiley Online Library
In this study, an innovative MODIS fractional snow cover (SCF) data assimilation (DA)
prototype framework that invokes machine learning (ML) techniques and Common land …

Hydrological perspectives on integrated, coordinated, open, networked (ICON) science

BS Acharya, B Ahmmed, Y Chen… - Earth and Space …, 2022 - Wiley Online Library
Hydrologic sciences depend on data monitoring, analyses, and simulations of hydrologic
processes to ensure safe, sufficient, and equal water distribution. These hydrologic data …

Retrieval of snow depth on arctic sea ice from the FY3B/MWRI

L Li, H Chen, L Guan - Remote Sensing, 2021 - mdpi.com
Given their high albedo and low thermal conductivity, snow and sea ice are considered key
reasons for amplified warming in the Arctic. Snow-covered sea ice is a more effective …

Grand challenges of hydrologic modeling for food-energy-water nexus security in high mountain Asia

SK Mishra, S Rupper, S Kapnick, K Casey… - Frontiers in …, 2021 - frontiersin.org
Climate-influenced changes in hydrology affect water-food-energy security that may impact
up to two billion people downstream of the High Mountain Asia (HMA) region. Changes in …

More severe drought detected by the assimilation of brightness temperature and terrestrial water storage anomalies in Texas during 2010–2013

W Chen, C Huang, ZL Yang - Journal of Hydrology, 2021 - Elsevier
Texas experienced an extreme drought on record in 2011. Model simulations or satellite
observations have been used to assess and analyze the drought. In this study, a method …

深度学习融合遥感大数据的陆地水文数据同化: 进展与关键科学问题.

黄春林, 侯金亮, 李维德, 顾娟, 张莹… - Advances in Earth …, 2023 - search.ebscohost.com
以深度学习为核心的数据驱动方法逐步应用于地球科学领域, 但这类方法在模型的可解释性和
物理一致性等方面还存在挑战. 在遥感大数据背景下, 如何结合深度学习和数据同化方法 …