| The global land data assimilation system M Rodell, PR Houser, UEA Jambor, J Gottschalck, K Mitchell, CJ Meng, ... Bulletin of the American Meteorological society 85 (3), 381-394, 2004 | 5385 | 2004 |
| The FLUXNET2015 dataset and the ONEFlux processing pipeline for eddy covariance data G Pastorello, C Trotta, E Canfora, H Chu, D Christianson, YW Cheah, ... Scientific data 7 (1), 225, 2020 | 1099 | 2020 |
| A methodology for surface soil moisture and vegetation optical depth retrieval using the microwave polarization difference index M Owe, R de Jeu, J Walker IEEE Transactions on Geoscience and Remote Sensing 39 (8), 1643-1654, 2001 | 825 | 2001 |
| Upscaling sparse ground‐based soil moisture observations for the validation of coarse‐resolution satellite soil moisture products WT Crow, AA Berg, MH Cosh, A Loew, BP Mohanty, R Panciera, ... Reviews of Geophysics 50 (2), 2012 | 695 | 2012 |
| Validation of SMAP surface soil moisture products with core validation sites A Colliander, TJ Jackson, R Bindlish, S Chan, N Das, SB Kim, MH Cosh, ... Remote sensing of environment 191, 215-231, 2017 | 680 | 2017 |
| Assessment of the SMAP passive soil moisture product SK Chan, R Bindlish, PE O'Neill, E Njoku, T Jackson, A Colliander, ... IEEE Transactions on Geoscience and Remote Sensing 54 (8), 4994-5007, 2016 | 613 | 2016 |
| Extended versus ensemble Kalman filtering for land data assimilation RH Reichle, JP Walker, RD Koster, PR Houser Journal of hydrometeorology 3 (6), 728-740, 2002 | 482 | 2002 |
| In situ measurement of soil moisture: a comparison of techniques JP Walker, GR Willgoose, JD Kalma Journal of Hydrology 293 (1-4), 85-99, 2004 | 464 | 2004 |
| Downscaling SMOS-derived soil moisture using MODIS visible/infrared data M Piles, A Camps, M Vall-Llossera, I Corbella, R Panciera, C Rudiger, ... IEEE transactions on Geoscience and Remote Sensing 49 (9), 3156-3166, 2011 | 452 | 2011 |
| Modelling the passive microwave signature from land surfaces: A review of recent results and application to the L-band SMOS & SMAP soil moisture retrieval algorithms JP Wigneron, TJ Jackson, P O'neill, G De Lannoy, P de Rosnay, ... Remote Sensing of Environment 192, 238-262, 2017 | 450 | 2017 |
| An evaluation of AMSR–E derived soil moisture over Australia CS Draper, JP Walker, PJ Steinle, RAM De Jeu, TRH Holmes Remote Sensing of Environment 113 (4), 703-710, 2009 | 444 | 2009 |
| Quantifying the uncertainty in passive microwave snow water equivalent observations JL Foster, C Sun, JP Walker, R Kelly, A Chang, J Dong, H Powell Remote Sensing of environment 94 (2), 187-203, 2005 | 433 | 2005 |
| Development and assessment of the SMAP enhanced passive soil moisture product SK Chan, R Bindlish, P O'Neill, T Jackson, E Njoku, S Dunbar, J Chaubell, ... Remote sensing of environment 204, 931-941, 2018 | 423 | 2018 |
| The Murrumbidgee soil moisture monitoring network data set AB Smith, JP Walker, AW Western, RI Young, KM Ellett, RC Pipunic, ... Water Resources Research 48 (7), 2012 | 353 | 2012 |
| On the effect of digital elevation model accuracy on hydrology and geomorphology JP Walker, GR Willgoose Water Resources Research 35 (7), 2259-2268, 1999 | 316 | 1999 |
| Towards deterministic downscaling of SMOS soil moisture using MODIS derived soil evaporative efficiency O Merlin, JP Walker, A Chehbouni, Y Kerr Remote Sensing of Environment 112 (10), 3935-3946, 2008 | 304 | 2008 |
| The International Soil Moisture Network: serving Earth system science for over a decade W Dorigo, I Himmelbauer, D Aberer, L Schremmer, I Petrakovic, L Zappa, ... Hydrology and Earth System Sciences Discussions 2021, 1-83, 2021 | 290 | 2021 |
| Disaggregation of SMOS soil moisture in Southeastern Australia O Merlin, C Rudiger, A Al Bitar, P Richaume, JP Walker, YH Kerr IEEE Transactions on Geoscience and Remote Sensing 50 (5), 1556-1571, 2012 | 285 | 2012 |
| A methodology for initializing soil moisture in a global climate model: Assimilation of near‐surface soil moisture observations JP Walker, PR Houser Journal of Geophysical Research: Atmospheres 106 (D11), 11761-11774, 2001 | 275 | 2001 |
| One-dimensional soil moisture profile retrieval by assimilation of near-surface observations: a comparison of retrieval algorithms JP Walker, GR Willgoose, JD Kalma Advances in Water Resources 24 (6), 631-650, 2001 | 271 | 2001 |
