A Study on the Assessment of Multi-Source Satellite Soil Moisture Products and Reanalysis Data for the Tibetan Plateau

Cheng, Mingming; Zhong, Lei; Ma, Yaoming; Zou, Minmin; Gao, Nan; Xian, Wang; Hu, Yuanyuan

doi:10.3390/rs11101196

Cited by 56 publications

(36 citation statements)

References 43 publications

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“…The analysis showed that all three of them had an inverse relationship, with the highest agreement found in the ERA5 product (R: −0.93). A recent study which assessed satellite and reanalysis products over the Tibetan Plateau region of China also reported the reliability of ERA5 soil moisture product [42], confirming the results obtained in this study. The colors of the plots in Figure 6 correspond to NDVI densities.…”

Section: Discussionsupporting

confidence: 90%

An Evaluation of Soil Moisture Anomalies from Global Model-Based Datasets over the People’s Republic of China

Hagan

Parinussa

Wang

et al. 2019

Water

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Soil moisture is an important factor in land-atmosphere interactions and other land processes. Improved estimates from climate models have, in the last two decades, become an important alternate source of information. In this study, we extend the evaluation of soil moisture anomalies of different generations of three families of model datasets (the European Center for Medium-Range Weather Forecasts’ (ECMWF) reanalysis, the Modern Era Retrospective Analysis for Research and Applications of NASA, and the Global Land Data Assimilation System of theNational Oceanic and Atmospheric Administration (NOAA)) in recent studies to the People’s Republic of China. Two validation techniques, namely, root-mean-square error (RMSE) from triple collocation analysis (TCA) and correlations (R) with ground observations, were used. The study confirmed the results of previous studies that focused on other regions and showed that the newer generations of each modeling family generally had better skill than the older generations with higher correlations and lower RMSEs. A cross-validation of the results from the two techniques for the newer products showed that the higher correlations and lower RMSEs from the TCA were found over regions with moderate vegetation cover, while regions with less vegetation cover had lower correlations and larger RMSEs (ECMWF (R: −0.93), NASA (R: −0.73), and NOAA (R: −0.61)), indicating that these two techniques complement each other to fairly validate the products.

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Section: Discussionsupporting

confidence: 90%

An Evaluation of Soil Moisture Anomalies from Global Model-Based Datasets over the People’s Republic of China

Hagan

Parinussa

Wang

et al. 2019

Water

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“…Results of analysis and validation of existing CDR/ECV data (e.g., those from ESA CCI) [37] A set of new and consistent land surface variables for the TPE (LST, soil moisture, soil thermal and hydraulic properties) Integration of these new consistent dataset into research of WP2 (see results under WP2) Development of observation operators for assimilation of microwave observation from SMOS and SMAP into the modelling system Analysis of monsoon dynamics in relation to changes of plateau surface characteristics [38] PhD theses…”

Section: Wp Resultsmentioning

confidence: 99%

Monitoring Water and Energy Cycles at Climate Scale in the Third Pole Environment (CLIMATE-TPE)

Chen

et al. 2021

Remote Sensing

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A better understanding of the water and energy cycles at climate scale in the Third Pole Environment is essential for assessing and understanding the causes of changes in the cryosphere and hydrosphere in relation to changes of plateau atmosphere in the Asian monsoon system and for predicting the possible changes in water resources in South and East Asia. This paper reports the following results: (1) A platform of in situ observation stations is briefly described for quantifying the interactions in hydrosphere-pedosphere-atmosphere-cryosphere-biosphere over the Tibetan Plateau. (2) A multiyear in situ L-Band microwave radiometry of land surface processes is used to develop a new microwave radiative transfer modeling system. This new system improves the modeling of brightness temperature in both horizontal and vertical polarization. (3) A multiyear (2001–2018) monthly terrestrial actual evapotranspiration and its spatial distribution on the Tibetan Plateau is generated using the surface energy balance system (SEBS) forced by a combination of meteorological and satellite data. (4) A comparison of four large scale soil moisture products to in situ measurements is presented. (5) The trajectory of water vapor transport in the canyon area of Southeast Tibet in different seasons is analyzed, and (6) the vertical water vapor exchange between the upper troposphere and the lower stratosphere in different seasons is presented.

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“…More cases under a weak synoptic background and high-resolution simulations are needed in the future to obtain a robust physical mechanism to enhance the capacity of the model ulteriorly. Previous studies have pointed out that the relationship of SMP is largely depended on the data source of the soil moisture [49,50], so more precise data with high spatial-temporal resolution, such as SMOS (Soil Moisture and Ocean Salinity), GLDAS (Global Land Data Assimilation Systems), and ERA5 (European Centre for Medium-Range Weather Forecasts Reanalysis 5) [51,52], is necessary to improve the model initial conditions. Besides, the climatic effects owing to the vegetation changes resulting from the Grain for Green Program (GFGP) over the Loess Plateau have received huge attention in recent years [30], while few studies have explored its impact on precipitation on convective scales [53].…”

Section: Conclusion and Discussionmentioning

confidence: 99%

Numerical Study of the Impact of Complex Terrain and Soil Moisture on Convective Initiation

Zan

Dong

et al. 2020

Atmosphere

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The relative importance of topography and soil moisture on the initiation of an afternoon deep convection under weak synoptic-scale forcing was investigated using the weather research and forecasting (WRF) model with high resolution (1.33 km). The convection occurred on 29 June 2017, over the Liupan Mountains, west of the Loess Plateau. The timing and location of the convective initiation (CI) simulated by the WRF model compared well with the radar observations. It showed that the warm and humid southerly airflow under 700 hPa was divided into east and west flows due to the blockage of the Liupan Mountains. The warm and humid air on the west side was forced to climb along the slope and enhanced the humidity near the ridge. The accumulation of unstable energy in the middle and north of the ridge led to a strong vertical convergence and triggered the convection. Sensitivity experiments showed that terrain played a dominant role in triggering the convection, while the spatial heterogeneity of soil moisture played an indirect role by affecting the local circulation and the partition of surface energy.

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A Study on the Assessment of Multi-Source Satellite Soil Moisture Products and Reanalysis Data for the Tibetan Plateau

Cited by 56 publications

References 43 publications

An Evaluation of Soil Moisture Anomalies from Global Model-Based Datasets over the People’s Republic of China

An Evaluation of Soil Moisture Anomalies from Global Model-Based Datasets over the People’s Republic of China

Monitoring Water and Energy Cycles at Climate Scale in the Third Pole Environment (CLIMATE-TPE)

Numerical Study of the Impact of Complex Terrain and Soil Moisture on Convective Initiation

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