Position:Assistant Professor
Address: Room 202, New Hydraulic Engineering Building, Tsinghua University
E-mail: dlong@tsinghua.edu.cn
Educational Background
BA: Sep.2001 – July.2005, Hydrology and Hydraulics, Department of Hydraulic Engineering, Tsinghua University
MA: Sep.2005 – Jun. 2008, Hydrology and Remote Sensing, Institute of Geography, Chinese Academy of Sciences
PhD: Aug.2008 – Aug.2011, Hydrology and Remote Sensing, Department of Biological & Agricultural Engineering, Texas A&M University
Work Experience
06/2006-06/2008 Graduate Research Assistant, Institute of Geography, Chinese Academy of Sciences
09/2008-05/2009 Graduate Teaching Assistant, Department of Geography, Texas A&M University
06/2009-08/2011 Graduate Research Assistant, Department of Biological & Agricultural Engineering, Texas A&M University
09/2011-11/2014 Postdoctoral Fellow, Bureau of Economic Geology, Jackson School of Geosciences, The University of Texas at Austin
12/2014-present Assistant Professor, State Key Laboratory of Hydroscience and Engineering, Department of Hydraulic Engineering, Tsinghua University
Teaching Courses
1. Remote Sensing Hydrology
2. Fundamental Principles and Methods of Remote Sensing
3.Introduction to Remote Sensing
Research Interests
1. Thermal infrared remote sensing, e.g., evapotranspiration and radiation estimation
2. GRACE satellite-based total water storage and groundwater storage change estimation
3. Hydrological applications of satellite remote sensing
4. Hydrological response to climate change (including droughts and floods) and human activities and sustainability of water resources
5. Entropy theory in hydrological and environmental engineering
Research Projects
2014: Editors’ Citations for Excellence in Refereeing-Geophysical Research Letters, American Geophysical Union
2013-2014: Author Achievement Award and nomination of the Best Paper Award (the second place), Bureau of Economic Geology, The University of Texas at Austin
2012-2013: Author Achievement Award, Bureau of Economic Geology, The University of Texas at Austin
2009-2011: Graduate Research Assistantship, Department of Biological & Agricultural Engineering, Texas A&M University
2009-2010: Mills Scholarship Award, Texas Water Resources Institute
2008-2009: Graduate Teaching Assistantship, Department of Geography, Texas A&M University
2008-2009: Graduate Enhancement Funds, Department of Geography, Texas A&M University
2008-2009: Incentive Scholarship, College of Geosciences, Texas A&M University
2006-2008: Excellent Graduate Student Award, Graduate University of the Chinese Academy of Sciences
Professional Service
Water Resources Research (IF=4.397), Associate Editor
Journal of Hydrology (IF=3.483), Associate Editor
Honors and Awards
(1) Key Hydrological Variables from Multi-Source Remote Sensing and Their Integration over the Source Regions of Rivers in Southwest China, National Natural Science Foundation of China, 2016-2019, PI.
(2) Retrieval and Reconstruction of Total Water Storage Changes Based on GRACE Satellites, National Natural Science Foundation of China, 2016-2019, PI.
(3) Integrated Land – Space Multi – source Precipitation and Total Water Storage Retrievals for Water Cycle Study over the Broader Tibetan Plateau, National Natural Science Foundation of China, 2015 -2018, Co-PI.
(4) Analysis of Existing Satellite and Ground-based Data on the Status of Water Resources Globally, BP Oil Company, 2013-2014, Participant.
(5) Application of GRACE Water Storage for water Resources Management: Case Study, High Plains Aquifer, US, NASA, 2012-2013, Participant.
(6) MODIS Evapotranspiration Monitoring Using Ground-Based and Airborne Measurements in a Semiarid Region, NASA, 2011-2012, Participant.
(7) Hydrological Drought Characterization for Texas under Climate Change, with Implications for Water Resources Planning and Management, United States Geological Survey, 2010-2011, Participant.
(8) Derivation of Actual Evapotranspiration over Texas from SEBAL and MODIS data, Texas Water Resources Institute Project, 2009-2010, PI.
Academic Achievements
[1] Long, D*., Y. T. Yang, Y. Wada, Y. Hong, W. Liang, Y. N. Chen, J. F. Wei and L. Chen (2015). Deriving scaling factor using a global hydrological model to restore GRACE signals for drought monitoring over China's Yangtze River basin. Remote Sensing of Environment 168: 177-193.
[2] Long, D*., L. Longuevergne and B. R. Scanlon (2015). Global analysis of approaches for deriving total water storage changes from GRACE satellites. Water Resources Research 51(4): 2574-2594.
[3] Long, D*., L. Longuevergne and B. R. Scanlon (2014). Uncertainty in evapotranspiration from land surface modeling, remote sensing, and GRACE satellites. Water Resources Research 50(2): 1131–1151.
[4] Long, D*., Y. J. Shen, A. Y. Sun, Y. Hong, L. Longuevergne, Y. T. Yang, B. Li and L. Chen (2014). Drought and flood monitoring over a large karst plateau in Southwest China using extended GRACE data. Remote Sensing of Environment 155: 145–160.
[5] Long, D*., B. R. Scanlon, L. Longuevergne, A.-Y. Sun, D. N. Fernando and H. Save (2013). GRACE satellite monitoring of large depletion in water storage in response to the 2011 drought in Texas. Geophysical Research Letters 40(13): 3395-3401.
[6] Long, D*. and V. P. Singh (2013). Assessing the impact of end-member selection on the accuracy of satellite-based spatial variability models for actual evapotranspiration estimation. Water Resources Research 49(5): 2601-2618.
[7] Long, D*. and V. P. Singh (2013). An Entropy-Based Multispectral Image Classification Algorithm. Geoscience and Remote Sensing, IEEE Transactions on 51(12): 5225-5238.
[8] Long, D*., B. R. Scanlon, D. N. Fernando, L. Meng and S. M. Quiring (2012). Are temperature and precipitation extremes increasing over the U.S. High Plains? Earth Interactions 16: 1-20.
[9] Long, D*. and V. P. Singh (2012). A modified surface energy balance algorithm for land (M-SEBAL) based on a trapezoidal framework. Water Resources Research 48.
[10] Long, D*. and V. P. Singh (2012). A Two-source Trapezoid Model for Evapotranspiration (TTME) from satellite imagery. Remote Sensing of Environment 121: 370-388.
[11] Long, D*., V. P. Singh and B. R. Scanlon (2012). Deriving theoretical boundaries to address scale dependencies of triangle models for evapotranspiration estimation. Journal of Geophysical Research-Atmospheres 117.
[12] Long, D*., V. P. Singh and Z. L. Li (2011). How sensitive is SEBAL to changes in input variables, domain size and satellite sensor? Journal of Geophysical Research-Atmospheres 116.
[13] Long, D*. and V. P. Singh (2010). Integration of the GG model with SEBAL to produce time series of evapotranspiration of high spatial resolution at watershed scales. Journal of Geophysical Research-Atmospheres 115.
[14] Long, D*., Y. C. Gao and V. P. Singh (2010). Estimation of daily average net radiation from MODIS data and DEM over the Baiyangdian watershed in North China for clear sky days. Journal of Hydrology 388(3-4): 217-233.
[15] Tang, G. Q., Z. Y. Zeng, D. Long*, X. L. Guo, B. Yong, W. H. Zhang and Y. Hong (2016). Statistical and Hydrological Comparisons between TRMM and GPM Level-3 Products over a Midlatitude Basin: Is Day-1 IMERG a Good Successor for TMPA 3B42V7? Journal of Hydrometeorology 17(1): 121-137.
[16] Tang, G. Q., Y. Ma, D. Long*, L. Zhong and Y. Hong* (2016). Evaluation of GPM Day-1 IMERG and TMPA Version-7 legacy products over Mainland China at multiple spatiotemporal scales. Journal of Hydrology 533: 152-167.
[17] Yang*, Y. T., D. Long, H. D. Guan, W. Liang, C. T. Simmons and O. Batelaan (2015). Comparison of three dual-source remote sensing evapotranspiration models during the MUSOEXE-12 campaign: Revisit of model physics. Water Resources Research 51(5): 3145-3165.
[18] Yang*, Y., H. Guan, D. Long, B. Liu, G. Qin, J. Qin and O. Batelaan (2015). Estimation of Surface Soil Moisture from Thermal Infrared Remote Sensing Using an Improved Trapezoid Method. Remote Sensing 7(7): 8250.
[19] Wan*, W., W. Bai, L. Zhao, D. Long, Y. Sun, X. Meng, H. Chen, X. Cui and Y. Hong (2015). Initial results of China’s GNSS-R airborne campaign: soil moisture retrievals. Science Bulletin 60(10): 964-971.
[20] Pei, H. W., B. R. Scanlon*, Y. J. Shen, R. C. Reedy, D. Long and C. M. Liu (2015). "Impacts of varying agricultural intensification on crop yield and groundwater resources: comparison of the North China Plain and US High Plains." Environmental Research Letters 10(4): 044013.
[21] Scanlon*, B. R., Z. Zhang, R. C. Reedy, D. R. Pool, H. Save, D. Long, J. Chen, D. M. Wolock, B. D. Conway and D. Winester (2015). Hydrologic implications of GRACE satellite data in the Colorado River Basin. Water Resources Research 51(12): 9891-9903.
[22] Liang, W., Y. Yang, D. Fan, H. Guan, T. Zhang, D. Long, Y. Zhou and D. Bai* (2015). Analysis of spatial and temporal patterns of net primary production and their climate controls in China from 1982 to 2010. Agricultural and Forest Meteorology 204: 22-36.
[23] Meng*, L., D. Long, S. M. Quiring and Y. Shen* (2014). Statistical analysis of the relationship between spring soil moisture and summer precipitation in East China. International Journal of Climatology 34(5): 1511-1523.
[24] Yang*, Y., D. Long, H. Guan, B. R. Scanlon, C. T. Simmons, L. Jiang and X. Xu (2014). GRACE satellite observed hydrological controls on interannual and seasonal variability in surface greenness over mainland Australia. Journal of Geophysical Research: Biogeosciences 119(12): 2014JG002670.
[25] Yang*, Y., H. Guan, S. Shang, D. Long and C. T. Simmons (2014). Toward the Use of the MODIS ET Product to Estimate Terrestrial GPP for Nonforest Ecosystems. IEEE Geoscience and Remote Sensing Letters 11(9): 1624-1628.
[26] Yang*, Y. T., D. Long and S. H. Shang (2013). Remote estimation of terrestrial evapotranspiration without using meteorological data. Geophysical Research Letters 40(12): 3026-3030.
[27] Scanlon*, B. R., L. Longuevergne and D. Long (2012). Ground referencing GRACE satellite estimates of groundwater storage changes in the California Central Valley, USA. Water Resources Research 48.
[28] Liu, X., X. Song*, Y. Zhang, J. Xia, X. Zhang, J. Yu, D. Long, F. Li and B. Zhang (2010). Spatio-temporal variations of δ2H and δ18O in precipitation and shallow groundwater in the Hilly Loess Region of the Loess Plateau, China. Environmental Earth Sciences 63(5): 1105-1118.
[29] Gao*, Y. C. and D. Long (2008). Intercomparison of remote sensing-based models for estimation of evapotranspiration and accuracy assessment based on SWAT. Hydrological Processes 22(25): 4850-4869.
[30] Gao*, Y. C., D. Long and Z. L. Li (2008). Estimation of daily actual evapotranspiration from remotely sensed data under complex terrain over the upper Chao river basin in North China. International Journal of Remote Sensing 29(11): 3295-3315.