Total water storage dynamics in response to climate variability and extremes: Inference from long-term terrestrial gravity measurement

Journal of Geophysical Research Atmospheres

Volumn 117, Issue 8, 2012, Pages

  Creutzfeldt, Benjamin ^a   Ferré, Ty ^b   Troch, Peter ^b   Merz, Bruno ^a   Wziontek, Hartmut ^c   Güntner, Andreas ^a  

^a GFZ GERMAN RESEARCH CENTRE FOR GEOSCIENCES   (Germany)

^b UNIVERSITY OF ARIZONA   (United States)

^c Federal Agency for Cartography and Geodesy   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

CATCHMENTS; CLIMATOLOGY; DYNAMICS; RUNOFF; WATER SUPPLY;

BASIC ELEMENTS; CLIMATE VARIABILITY; ENVIRONMENTAL INDEX; GRAVITY MEASUREMENT; HEADWATER CATCHMENT; HIGH-PRECISION; HYDROLOGIC SYSTEMS; HYDROLOGICAL CYCLES; LONG-TERM RECOVERY; METEOROLOGICAL FORCING; MONITORING NETWORK; POINT MEASUREMENT; RIVER DISCHARGE; RUNOFF PREDICTION; SIMPLIFYING ASSUMPTIONS; SOUTHERN GERMANY; STATE VARIABLES; STRATEGIC DEPLOYMENT; SUBSURFACE WATERS; SUPERCONDUCTING GRAVIMETER; TERRESTRIAL WATER STORAGE; WATER STORAGE; WATER STORAGE VARIATION;

GRAVIMETERS;

ANNUAL CYCLE; CATCHMENT; CLIMATE CHANGE; CLIMATE FORCING; ENVIRONMENTAL CONDITIONS; EVAPOTRANSPIRATION; EXTREME EVENT; GRAVIMETRY; GRAVITY FIELD; HEADWATER; HYDROLOGICAL CHANGE; HYDROLOGICAL RESPONSE; HYDROMETEOROLOGY; PREDICTION; RIVER DISCHARGE; RUNOFF; TIME SERIES; WATER STORAGE;

GERMANY;

EID: 84861398085     PISSN: 01480227     EISSN: None     Source Type: Journal    
DOI: 10.1029/2011JD016472     Document Type: Article

References (144)

1. Abe, M., S. Takemoto, Y. Fukuda, T. Higashi, Y. Imanishi, S. Iwano, S. Ogasawara, Y. Kobayashi, S. Dwipa, and D. S. Kusuma (2006), Hydrological effects on the superconducting gravimeter observation in Bandung, J. Geodyn., 41(1-3), 288-296, doi:10.1016/j.jog.2005.08.030.
2. Alley, W. M. (1984), The Palmer Drought Severity Index: Limitations and assumptions, J. Clim. Appl. Meteorol., 23(7), 1000-1009, doi:10.1175/1520- 0450(1984)0232.0.CO;2.
3. Anyah, R. O., C. P. Weaver, G. Miguez-Macho, Y. Fan, and A. Robock (2008), Incorporating water table dynamics in climate modeling: 3. Simulated groundwater influence on coupled land-atmosphere variability, J. Geophys. Res., 113, D07103, doi:10.1029/2007JD009087.
4. Atlas, R., N. Wolfson, and J. Terry (1993), The effect of SST and soil moisture anomalies on GLA model simulations of the 1988 U.S. summer drought, J. Clim., 6(11), 2034-2048, doi:10.1175/1520-0442(1993)0062.0.CO;2.
5. Aubert, D., C. Loumagne, and L. Oudin (2003), Sequential assimilation of soil moisture and streamflow data in a conceptual rainfall-runoff model, J. Hydrol., 280(1-4), 145-161, doi:10.1016/S0022-1694(03)00229-4.
6. Bayerisches Landesamt für Umwelt (2007), Geologische Karte von Bayern 1:25 000, Blatt 6843 Bad Kötzting, Bayer. Landesamt für Umwelt, Augsburg, Germany.
7. Beven, K., and A. Binley (1992), The future of distributed models: Model calibration and uncertainty prediction, Hydrol. Process., 6(3), 279-298, doi:10.1002/hyp.3360060305.
8. Blöschl, G., and E. Zehe (2005), On hydrological predictability, Hydrol. Process., 19(19), 3923-3929, doi:10.1002/hyp.6075.
9. Blume, T., E. Zehe, and A. Bronstert (2007), Rainfall-runoff response, event-based runoff coefficients and hydrograph separation, Hydrol. Sci. J., 52(5), 843-862, doi:10.1623/hysj.52.5.843.
10. Bogaart, P. W., A. J. Teuling, and P. A. Troch (2008), A state-dependent parameterization of saturated-unsaturated zone interaction, Water Resour. Res., 44, W11423, doi:10.1029/2007WR006487.
11. Bonan, G. B., and L. M. Stillwell-Soller (1998), Soil water and the persistence of floods and droughts in the Mississippi River Basin, Water Resour. Res., 34(10), 2693-2701, doi:10.1029/98WR02073.
12. Bonatz, M., and D. Sperling (1995), Gravitation effects at the Vianden storage power station, in Cahiers du Centre Européen de Géodynamique et de Séismologie, edited by C. Poitevin, pp. 169-180, ECGS, Walferdange, Luxembourg.
13. Boy, J. P., and J. Hinderer (2006), Study of the seasonal gravity signal in superconducting gravimeter data, J. Geodyn., 41(1-3), 227-233, doi:10.1016/j.jog.2005.08.035.
14. Brocca, L., F. Melone, T. Moramarco, and V. P. Singh (2009), Assimilation of observed soil moisture data in storm rainfall-runoff modeling, J. Hydrol. Eng., 14(2), 153, doi:10.1061/(ASCE)1084-0699(2009) 14:2(153).
15. Brocca, L., F. Melone, T. Moramarco, and R. Morbidelli (2010a), Spatialtemporal variability of soil moisture and its estimation across scales, Water Resour. Res., 46, W02516, doi:10.1029/2009WR008016.
16. Brocca, L., F. Melone, T. Moramarco, W. Wagner, V. Naeimi, Z. Bartalis, and S. Hasenauer (2010b), Improving runoff prediction through the assimilation of the ASCAT soil moisture product, Hydrol. Earth Syst. Sci., 14(10), 1881-1893, doi:10.5194/hess-14-1881-2010.
17. Bronstert, A., and A. Bárdossy (2003), Uncertainty of runoff modelling at the hillslope scale due to temporal variations of rainfall intensity, Phys. Chem. Earth, Parts ABC, 28(6-7), 283-288, doi:10.1016/S1474- 7065(03)00039-1.
18. Bronstert, A., et al. (2012), Potentials and constraints of different types of soil moisture observations for flood simulations in headwater catchments, Nat. Hazards, 60(3), 879-914, doi:10.1007/s11069-011-9874-9.
19. Campbell Scientific Inc (2008), TDR100: Manual, Campbell Sci., Logan, Utah.
20. Christiansen, L. (2010), Using ground-based time-lapse gravity observations for hydrological model calibration, PhD thesis, 78 pp., Tech. Univ. of Denmark, Lyngby, Denmark.
21. Christiansen, L., E. B. Haarder, A. B. Hansen, M. C. Looms, P. J. Binning, D. Rosbjerg, O. B. Andersen, and P. Bauer-Gottwein (2011), Calibrating vadose zone models with time-lapse gravity data, Vadose Zone J., 10(3), 1034-1044, doi:10.2136/vzj2010.0127.
22. Cooper, G. R. J., and D. R. Cowan (2008), Comparing time series using wavelet-based semblance analysis, Comput. Geosci., 34(2), 95-102, doi:10.1016/j.cageo.2007.03.009.
23. Creutzfeldt, B., A. Güntner, T. Klügel, and H. Wziontek (2008), Simulating the influence of water storage changes on the superconducting gravimeter of the Geodetic Observatory Wettzell, Germany, Geophysics, 73(6), WA95, doi:10.1190/1.2992508.
24. Creutzfeldt, B., A. Güntner, H. Wziontek, and B. Merz (2010a), Reducing local hydrology from high precision gravity measurements: A lysimeterbased approach, Geophys. J. Int., 183(1), 178-187, doi:10.1111/j.1365- 246X.2010.04742.x.
25. Creutzfeldt, B., A. Güntner, S. Vorogushyn, and B. Merz (2010b), The benefits of gravimeter observations for modelling water storage changes at the field scale, Hydrol. Earth Syst. Sci., 14, 1715-1730, doi:10.5194/hess-14-1715- 2010.
26. Creutzfeldt, B., A. Güntner, H. Thoss, B. Merz, and H. Wziontek (2010c), Measuring the effect of local water storage changes on in-situ gravity observations: Case study of the Geodetic Observatory Wettzell, Germany, Water Resour. Res., 46, W08531, doi:10.1029/2009WR008359.
27. Crossley, D., and J. Hinderer (2009), A review of the GGP network and scientific challenges, J. Geodyn., 48(3-5), 299-304, doi:10.1016/j.jog. 2009.09.019.
28. Crossley, D. J., and S. Xu (1998), Analysis of superconducting gravimeter data from Table Mountain, Colorado, Geophys. J. Int., 135(3), 835-844, doi:10.1046/j.1365-246X.1998.00651.x.
29. Crossley, D., et al. (1999), Network of superconducting gravimeters benefits a number of disciplines, Eos Trans. AGU, 80(11), 121, doi:10.1029/99EO00079.
30. Crow, W. T., R. Bindlish, and T. J. Jackson (2005), The added value of spaceborne passive microwave soil moisture retrievals for forecasting rainfall-runoff partitioning, Geophys. Res. Lett., 32, L18401, doi:10.1029/2005GL023543.
31. De Bono, A., P. Peduzzi, S. Kluser, and G. Giuliani (2004), Impacts of Summer 2003 Heat Wave in Europe, U. N. Environ. Programme, Nairobi.
32. Dirmeyer, P. A. (2000), Using a global soil wetness dataset to improve seasonal climate simulation, J. Clim., 13(16), 2900-2922, doi:10.1175/1520- 0442(2000)0132.0.CO;2.
33. Dirmeyer, P. A., C. A. Schlosser, and K. L. Brubaker (2009), Precipitation, recycling, and land memory: An integrated analysis, J. Hydrometeorol., 10(1), 278-288, doi:10.1175/2008JHM1016.1.
34. Dodge, R. (2001), Water measurement manual: A guide to effective water measurement practices for better water management, report, Bur. of Reclamation, U.S. Dep. of the Interior, Washington, D. C.
35. Entekhabi, D., I. Rodriguez-Iturbe, and F. Castelli (1996), Mutual interaction of soil moisture state and atmospheric processes, J. Hydrol., 184(1-2), 3-17, doi:10.1016/0022-1694(95)02965-6.
36. Falcone, J. A., D. M. Carlisle, D. M. Wolock, and M. R. Meador (2010), GAGES: A stream gage database for evaluating natural and altered flow conditions in the conterminous United States, Ecology, 91(2), 621, doi:10.1890/09-0889.1.
37. Fan, Y., G. Miguez-Macho, C. P. Weaver, R. Walko, and A. Robock (2007), Incorporating water table dynamics in climate modeling: 1. Water table observations and equilibrium water table simulations, J. Geophys. Res., 112, D10125, doi:10.1029/2006JD008111.
38. Fennessy, M. J., and J. Shukla (1999), Impact of initial soil wetness on seasonal atmospheric prediction, J. Clim., 12(11), 3167-3180, doi:10.1175/1520-0442(1999)0122.0.CO;2.
39. Ferré, P. A., J. H. Knight, D. L. Rudolph, and R. G. Kachanoski (1998), The sample areas of conventional and alternative time domain reflectometry probes, Water Resour. Res., 34(11), 2971-2979, doi:10.1029/98WR02093.
40. Ferré, P. A., L. Bentley, A. Binley, N. Linde, A. Kemna, K. Singha, K. Holliger, J. A. Huisman, and B. Minsley (2009), Critical steps for the continuing advancement of hydrogeophysics, Eos Trans. AGU, 90(23), 200, doi:10.1029/2009EO230004.
41. Francis, O., M. Van Camp, T. van Dam, R. Warnant, and M. Hendrickx (2004), Indication of the uplift of the Ardenne in long-term gravity variations in Membach (Belgium), Geophys. J. Int., 158(1), 346-352, doi:10.1111/j.1365- 246X.2004.02310.x.
42. Gietl, G. (2004), Das Trockenjahr 2003 - (k)ein Jahrhundertereignis, Bayer. Landesanstalt für Wald und Forstwirtschaft, Freising, Germany.
43. Goodkind, J. M. (1999), The superconducting gravimeter, Rev. Sci. Instrum., 70(11), 4131-4152, doi:10.1063/1.1150092.
44. Goodrich, D. C., T. J. Schmugge, T. J. Jackson, C. L. Unkrich, T. O. Keefer, R. Parry, L. B. Bach, and S. A. Am (1994), Runoff simulation sensitivity to remotely sensed initial soil water content, Water Resour. Res., 30(5), 1393-1405, doi:10.1029/93WR03083.
45. Grams, E. (2010), Quantifizierung der Bodenwasserbilanz und sie kontrollierender Parameter entlang eines Hangabschnitts im Bayerischen Wald, diplomarbeit FB, Freie Univ. Berlin, Berlin.
46. Gutowski, W. J., Jr., C. J. Vörösmarty, M. Person, Z. Ötles, B. Fekete, and J. York (2002), A Coupled Land-Atmosphere Simulation Program (CLASP): Calibration and validation, J. Geophys. Res., 107(D16), 4283, doi:10.1029/2001JD000392.
47. Hanson, C. L., D. Marks, and S. S. Van Vactor (2001), Long-term climate database, Reynolds Creek Experimental Watershed, Idaho, United States, Water Resour. Res., 37(11), 2839-2841, doi:10.1029/2001WR000417.
48. Harnisch, G., and M. Harnisch (2006), Hydrological influences in long gravimetric data series, J. Geodyn., 41(1-3), 276-287, doi:10.1016/j. jog.2005.08.018.
49. Hasan, S. (2009), Terrestrial water storage change from temporal gravity variation, PhD thesis, Wageningen Univ., Wageningen, Netherlands.
50. Hasan, S., P. A. Troch, J. Boll, and C. Kroner (2006), Modeling the hydrological effect in local gravity at Moxa, Germany, J. Hydrometeorol., 7(3), 346-354, doi:10.1175/JHM488.1.
51. Heim, A. (2010), Modelling the water dynamics at a hillslope in the Bavarian Forest, Germany, Diplomand. Thema AB, 75 pp, Univ. of Potsdam, Potsdam, Germany.
52. Heim, R. R. (2002), A review of twentieth-century drought indices used in the United States, Bull. Am. Meteorol. Soc., 83(8), 1149-1165, doi:10.1175/1520-0477(2002)0832.3.CO;2.
53. Hinderer, J., D. Crossley, and R. J. Warburton (2007), Gravimetric methods-Superconducting gravity meters, Treatise Geophys., 3, 65-122, doi:10.1016/B978-044452748-6/00172-3.
54. Hinnell, A. C., T. P. A. Ferré, J. A. Vrugt, J. A. Huisman, S. Moysey, J. Rings, and M. B. Kowalsky (2010), Improved extraction of hydrologic information from geophysical data through coupled hydrogeophysical inversion, Water Resour. Res., 46, W00D40, doi:10.1029/2008WR007060.
55. Hirschi, M., S. I. Seneviratne, V. Alexandrov, F. Boberg, C. Boroneant, O. B. Christensen, H. Formayer, B. Orlowsky, and P. Stepanek (2011), Observational evidence for soil-moisture impact on hot extremes in southeastern Europe, Nat. Geosci., 4(1), 17-21, doi:10.1038/ngeo1032.
56. Hokkanen, T., K. Korhonen, H. Virtanen, and E. L. Laine (2007), Effects of the fracture water of bedrock on superconducting gravimeter data, Near Surface Geophys., 5(2), 133-139, doi:10.3997/1873-0604.2006025.
57. Hong, S.-Y., and E. Kalnay (2000), Role of sea surface temperature and soil-moisture feedback in the 1998 Oklahoma-Texas drought, Nature, 408(6814), 842-844, doi:10.1038/35048548.
58. Huang, N. E., Z. Shen, S. R. Long, M. C. Wu, H. H. Shih, Q. Zheng, N.-C. Yen, C. C. Tung, and H. H. Liu (1998), The empirical mode decomposition and the Hilbert spectrum for nonlinear and non-stationary time series analysis, Proc. R. Soc. Ser. A, 454(1971), 903-995, doi:10.1098/rspa.1998.0193.
59. Hudson, J. A. (1988), The contribution of soil moisture storage to the water balances of upland forested and grassland catchments, Hydrol. Sci. J., 33(3), 289-309, doi:10.1080/02626668809491249.
60. Jacob, T. (2009), Apport de la gravimétrie et de l'inclinométrie á l'hydrologie karstique, PhD thesis, Univ. Montpellier II, Montpellier, France.
61. Jacob, T., R. Bayer, J. Chery, H. Jourde, N. L. Moigne, J.-P. Boy, J. Hinderer, B. Luck, and P. Brunet (2008), Absolute gravity monitoring of water storage variation in a karst aquifer on the larzac plateau (Southern France), J. Hydrol., 359(1-2), 105-117, doi:10.1016/j. jhydrol.2008.06.020.
62. Jacob, T., R. Bayer, J. Chery, and N. Le Moigne (2010), Time-lapse microgravity surveys reveal water storage heterogeneity of a karst aquifer, J. Geophys. Res., 115, B06402, doi:10.1029/2009JB006616.
63. Jenkins, A., N. Reynard, M. Hutchins, M. Bonjean, and M. Lees (2007), Hydrology and hydrochemistry of Lochnagar, in Lochnagar: The Natural History of a Mountain Lake, pp. 177-198, Springer, Dordrecht, Netherlands.
64. Kelleners, T. J., D. G. Chandler, J. P. McNamara, M. M. Gribb, and M. S. Seyfried (2009), Modeling the water and energy balance of vegetated areas with snow accumulation, Vadose Zone J., 8(4), 1013-1030, doi:10.2136/vzj2008.0183.
65. Keyantash, J., and J. A. Dracup (2002), The quantification of drought: An evaluation of drought indices, Bull. Am. Meteorol. Soc., 83(8), 1167-1180, doi:10.1175/1520-0477(2002)0832.3.CO;2.
66. Kirchner, J. W. (2009), Catchments as simple dynamical systems: Catchment characterization, rainfall-runoff modeling, and doing hydrology backward, Water Resour. Res., 45, W02429, doi:10.1029/2008WR006912.
67. Klemeš, V. (1986), Dilettantism in hydrology: Transition or destiny?, Water Resour. Res., 22(9S), 177S-188S, doi:10.1029/WR022i09Sp0177S.
68. Klügel, T., and H. Wziontek (2009), Correcting gravimeters and tiltmeters for atmospheric mass attraction using operational weather models, J. Geodyn., 48(3-5), 204-210, doi:10.1016/j.jog.2009.09.010.
69. Kohler, M. A. (1949), Double-mass analysis for testing the consistency of records and for making adjustments, Bull. Am. Meteorol. Soc., 30, 188-189.
70. Koster, R. D., and M. J. Suarez (2001), Soil moisture memory in climate models, J. Hydrometeorol., 2(6), 558-570, doi:10.1175/1525- 7541(2001)0022.0. CO;2.
71. Koster, R. D., M. J. Suarez, P. Liu, U. Jambor, A. Berg, M. Kistler, R. Reichle, M. Rodell, and J. Famiglietti (2004a), Realistic initialization of land surface states: Impacts on subseasonal forecast skill, J. Hydrometeorol., 5(6), 1049-1063, doi:10.1175/JHM-387.1.
72. Koster, R. D., et al. (2004b), Regions of strong coupling between soil moisture and precipitation, Science, 305(5687), 1138-1140, doi:10.1126/science. 1100217.
73. Kroner, C., and T. Jahr (2006), Hydrological experiments around the superconducting gravimeter at Moxa Observatory, J. Geodyn., 41(1-3), 242-252, doi:10.1016/j.jog.2005.08.012.
74. Larson, K., E. Small, E. Gutmann, A. Bilich, P. Axelrad, and J. Braun (2008), Using GPS multipath to measure soil moisture fluctuations: Initial results, GPS Solut., 12(3), 173-177, doi:10.1007/s10291-007-0076-6.
75. Latron, J., and F. Gallart (2008), Runoff generation processes in a small Mediterranean research catchment (Vallcebre, Eastern Pyrenees), J. Hydrol., 358(3-4), 206-220, doi:10.1016/j.jhydrol.2008.06.014.
76. Legates, D. R., R. Mahmood, D. F. Levia, T. L. DeLiberty, S. M. Quiring, C. Houser, and F. E. Nelson (2011), Soil moisture: A central and unifying theme in physical geography, Prog. Phys. Geogr., 35(1), 65-86, doi:10.1177/ 0309133310386514.
77. Leiriao, S., X. He, L. Christiansen, O. B. Andersen, and P. Bauer-Gottwein (2009), Calculation of the temporal gravity variation from spatially variable water storage change in soils and aquifers, J. Hydrol., 365(3-4), 302-309, doi:10.1016/j.jhydrol.2008.11.040.
78. Leung, L., M. Huang, Y. Qian, and X. Liang (2011), Climate-soil- vegetation control on groundwater table dynamics and its feedbacks in a climate model, Clim. Dyn., 36(1-2), 57-81, doi:10.1007/s00382-010-0746-x.
79. Lo, M.-H., and J. S. Famiglietti (2010), Effect of water table dynamics on land surface hydrologic memory, J. Geophys. Res., 115, D22118, doi:10.1029/2010JD014191.
80. Longuevergne, L. (2008), Contribution to hydrogeodesy, PhD thesis, Univ. Pierre et Marie Curie, Paris.
81. Longuevergne, L., J. P. Boy, N. Florsch, D. Viville, G. Ferhat, P. Ulrich, B. Luck, and J. Hinderer (2009), Local and global hydrological contributions to gravity variations observed in Strasbourg, J. Geodyn., 48(3-5), 189-194, doi:10.1016/j.jog.2009.09.008.
82. Lubczynski, M., and J. Roy (2004), Magnetic resonance sounding: New method for ground water assessment, Ground Water, 42(2), 291-309, doi:10.1111/j.1745-6584.2004.tb02675.x.
83. LWF (2006), Waldzustandsbericht 2006, Bayer. Staatsministerium für Landwirtschaft und Forsten, Freising, Germany.
84. McGuire, K. J., and J. J. McDonnell (2006), A review and evaluation of catchment transit time modeling, J. Hydrol., 330(3-4), 543-563, doi:10.1016/j.jhydrol.2006.04.020.
85. McKee, T. B., N. J. Doesken, and J. Kleist (1993), The relationship of drought frequency and duration to time scales, paper presented at 8th Conference on Applied Climatology, Am. Meteorol. Soc., Anaheim, Calif.
86. McNamara, J. P., D. Tetzlaff, K. Bishop, C. Soulsby, M. Seyfried, N. E. Peters, B. T. Aulenbach, and R. Hooper (2011), Storage as a metric of catchment comparison, Hydrol. Process., 25, 3364-3371, doi:10.1002/hyp.8113.
87. Meehl, G. A., and C. Tebaldi (2004), More intense, more frequent, and longer lasting heat waves in the 21st century, Science, 305(5686), 994-997, doi:10.1126/science.1098704.
88. Merz, B., and E. J. Plate (1997), An analysis of the effects of spatial variability of soil and soil moisture on runoff, Water Resour. Res., 33(12), 2909-2922, doi:10.1029/97WR02204.
89. Meurers, B., M. V. Camp, and T. Petermans (2007), Correcting superconducting gravity time-series using rainfall modelling at the Vienna and Membach stations and application to Earth tide analysis, J. Geod., 81(11), 703-712, doi:10.1007/s00190-007-0137-1.
90. Miguez-Macho, G., Y. Fan, C. P. Weaver, R. Walko, and A. Robock (2007), Incorporating water table dynamics in climate modeling: 2. Formulation, validation, and soil moisture simulation, J. Geophys. Res., 112, D13108, doi:10.1029/2006JD008112.
91. Montgomery, E. L. (1971), Determination of coefficient of storage by use of gravity measurements, PhD thesis, 144 pp., Univ. of Ariz., Tucson.
92. Müller-Petke, M., R. Dlugosch, and U. Yaramanci (2011), Evaluation of surface nuclear magnetic resonance-estimated subsurface water content, N. J. Phys., 13(9), 095002, doi:10.1088/1367-2630/13/9/095002.
93. Naujoks, M., C. Kroner, A. Weise, T. Jahr, P. Krause, and S. Eisner (2010), Evaluating local hydrological modelling by temporal gravity observations and a gravimetric three-dimensional model, Geophys. J. Int., 182(1), 233-249, doi:10.1111/j.1365-246X.2010.04615.x.
94. Nawa, K., N. Suda, I. Yamada, R. Miyajima, and S. Okubo (2009), Coseismic change and precipitation effect in temporal gravity variation at Inuyama, Japan: A case of the 2004 off the Kii peninsula earthquakes observed with a superconducting gravimeter, J. Geodyn., 48(1), 1-5, doi:10.1016/j.jog.2009.01. 006.
95. Neumeyer, J. (2010), Superconducting gravimetry, in Sciences of Geodesy - I. Advances and Future Directions, edited by G. Xu, pp. 339-413, Springer, Berlin, doi:10.1007/978-3-642-11741-1-10.
96. Niebauer, T. M., G. S. Sasagawa, J. E. Faller, R. Hilt, and F. Klopping (1995), A new generation of absolute gravimeters, Metrologia, 32(3), 159, doi:10.1088/0026-1394/32/3/004.
97. Pal, J. S., and E. A. B. Eltahir (2001), Pathways relating soil moisture conditions to future summer rainfall within a model of the land-atmosphere system, J. Clim., 14(6), 1227-1242, doi:10.1175/1520-0442(2001) 0142.0.CO;2.
98. Palmer, W. C. (1965), Meteorological drought, report, Weather Bur., U.S. Dep. of Commer., Washington, D. C.
99. Peters, N. E., J. Freer, and B. T. Aulenbach (2003), Hydrological dynamics of the Panola Mountain Research Watershed, Georgia, Ground Water, 41(7), 973-988, doi:10.1111/j.1745-6584.2003.tb02439.x.
100. Pfeffer, J., M. Boucher, J. Hinderer, G. Favreau, J.-P. Boy, C. de Linage, B. Cappelaere, B. Luck, M. Oi, and N. Le Moigne (2011), Local and global hydrological contributions to time-variable gravity in Southwest Niger, Geophys. J. Int., 184(2), 661-672, doi:10.1111/j.1365-246X. 2010.04894.x.
101. Pfister, L., G. Drogue, A. El Idrissi, J. Humbert, J. F. Iffly, P. Matgen, and L. Hoffmann (2003), Predicting peak discharge through empirical relationships between rainfall, groundwater level and basin humidity in the Alzette River basin (Grand-Duchy of Luxembourg), J. Hydrol. Hydromech., 51(3), 210-220.
102. Pinto, J. G., T. Brücher, A. H. Fink, and A. Krüger (2007), Extraordinary snow accumulations over parts of central Europe during the winter of 2005/06 and weather-related hazards, Weather, 62(1), 16-21, doi:10.1002/wea.19.
103. Pool, D. R., and J. H. Eychaner (1995), Measurements of aquifer-storage change and specific yield using gravity surveys, Ground Water, 33(3), 425-432, doi:10.1111/j.1745-6584.1995.tb00299.x.
104. Ramillien, G., J. Famiglietti, and J. Wahr (2008), Detection of continental hydrology and glaciology signals from GRACE: A review, Surv. Geophys., 29(4-5), 361-374, doi:10.1007/s10712-008-9048-9.
105. Raum, K. D. (2002), Markierungstechnische bruchtektonisch- gefügekundliche und fotogeologische Untersuchungen zur Ermittlung der Grundwasserfließverhältnisse in der Verwitterungszone kristalliner Gesteine in Quellgebieten des Oberpfälzer/Bayerischen Waldes (Ost-Bayern/Deutschland), dissertation, 242 pp., Friedrich-Alexander-Univ., Erlangen- Nürnberg, Germany.
106. Reager, J. T., and J. S. Famiglietti (2009), Global terrestrial water storage capacity and flood potential using GRACE, Geophys. Res. Lett., 36, L23402, doi:10.1029/2009GL040826.
107. Richter, D. (1995), Ergebnisse methodischer Untersuchungen zur Korrektur des systematischen Meßfehlers des Hellmann-Niederschlagsmessers, Ber. Dtsch. Wetterdienst, Offenbach am Main, Germany.
108. Rilling, G., P. Flandrin, and P. Gonçalves (2003), On empirical mode decomposition and its algorithms, paper presented at IEEE-EURASIP Workshop on Nonlinear Signal and Image Processing, IEEE, Grado, Italy.
109. Robinson, D. A., C. S. Campbell, J. W. Hopmans, B. K. Hornbuckle, S. B. Jones, R. Knight, F. Ogden, J. Selker, and O. Wendroth (2008a), Soil moisture measurement for ecological and hydrological watershed-scale observatories: A review, Vadose Zone J., 7(1), 358-389, doi:10.2136/vzj2007.0143.
110. Robinson, D. A., et al. (2008b), Advancing process-based watershed hydrological research using near-surface geophysics: A vision for, and review of, electrical and magnetic geophysical methods, Hydrol. Process., 22(18), 3604-3635, doi:10.1002/hyp.6963.
111. Robock, A., M. Mu, K. Vinnikov, I. V. Trofimova, and T. I. Adamenko (2005), Forty-five years of observed soil moisture in the Ukraine: No summer desiccation (yet), Geophys. Res. Lett., 32, L03401, doi:10.1029/2004GL021914.
112. Rodhe, A., L. Nyberg, and K. Bishop (1996), Transit times for water in a small till catchment from a step shift in the oxygen 18 content of the water input, Water Resour. Res., 32(12), 3497-3511, doi:10.1029/95WR01806.
113. Sato, T., J. P. Boy, Y. Tamura, K. Matsumoto, K. Asari, H.-P. Plag, and O. Francis (2006), Gravity tide and seasonal gravity variation at Ny-Alesund, Svalbard in Arctic, J. Geodyn., 41(1-3), 234-241, doi:10.1016/j. jog.2005.08.016.
114. Sayama, T., J. J. McDonnell, A. Dhakal, and K. Sullivan (2011), How much water can a watershed store?, Hydrol. Process., 25(25), 3899-3908, doi:10.1002/hyp.8288.
115. Schär, C., P. L. Vidale, D. Lüthi, C. Frei, C. Haberli, M. A. Liniger, and C. Appenzeller (2004), The role of increasing temperature variability in European summer heatwaves, Nature, 427(6972), 332-336, doi:10.1038/nature02300.
116. Schlüter, W., et al. (2007), Fundamentalstation Wettzell - ein geodätisches Observatorium, Z. Vermess., 132(3), 158-167.
117. Schubert, S. D., M. J. Suarez, P. J. Pegion, R. D. Koster, and J. T. Bacmeister (2004), On the cause of the 1930s Dust Bowl, Science, 303(5665), 1855-1859, doi:10.1126/science.1095048.
118. SEBA (2008), Data Logger MDS Dipper-TEC: Water Level, Temperature, Electrical Conductivity, SEBA Hydrometrie GmbH, Kaufbeuren, Germany.
119. Seneviratne, S. I., et al. (2006), Soil moisture memory in AGCM simulations: Analysis of Global Land-Atmosphere Coupling Experiment (GLACE) data, J. Hydrometeorol., 7(5), 1090-1112, doi:10.1175/JHM533.1.
120. Seneviratne, S. I., T. Corti, E. L. Davin, M. Hirschi, E. B. Jaeger, I. Lehner, B. Orlowsky, and A. J. Teuling (2010), Investigating soil moistureclimate interactions in a changing climate: A review, Earth Sci. Rev., 99(3-4), 125-161, doi:10.1016/j.earscirev.2010.02.004.
121. Sheffield, J., and E. Wood (2008), Projected changes in drought occurrence under future global warming from multi-model, multi-scenario, IPCC AR4 simulations, Clim. Dyn., 31(1), 79-105, doi:10.1007/s00382-007- 0340-z.
122. Shukla, J., and Y. Mintz (1982), Influence of land-surface evapotranspiration on the Earth's climate, Science, 215(4539), 1498-1501, doi:10.1126/science.215.4539.1498.
123. Soulsby, C., D. Tetzlaff, and M. Hrachowitz (2009), Tracers and transit times: Windows for viewing catchment scale storage?, Hydrol. Process., 23(24), 3503-3507, doi:10.1002/hyp.7501.
124. Spence, C., X. J. Guan, R. Phillips, N. Hedstrom, R. Granger, and B. Reid (2010), Storage dynamics and streamflow in a catchment with a variable contributing area, Hydrol. Process., 24(16), 2209-2221, doi:10.1002/hyp.7492.
125. Steele-Dunne, S. C., M. M. Rutten, D. M. Krzeminska, M. Hausner, S. W. Tyler, J. Selker, T. A. Bogaard, and N. C. van de Giesen (2010), Feasibility of soil moisture estimation using passive distributed temperature sensing, Water Resour. Res., 46, W03534, doi:10.1029/2009WR008272.
126. Teuling, A. J., and P. A. Troch (2005), Improved understanding of soil moisture variability dynamics, Geophys. Res. Lett., 32, L05404, doi:10.1029/2004GL021935.
127. Teuling, A. J., I. Lehner, J. W. Kirchner, and S. I. Seneviratne (2010), Catchments as simple dynamical systems: Experience from a Swiss prealpine catchment, Water Resour. Res., 46, W10502, doi:10.1029/2009WR008777.
128. Thornthwaite, C. W. (1948), An approach toward a rational classification of climate, Geogr. Rev., 38(1), 55-94, doi:10.2307/210739.
129. Topp, G. C., J. L. Davis, and A. P. Annan (1980), Electromagnetic determination of soil water content: Measurements in coaxial transmission lines, Water Resour. Res., 16(3), 574-582, doi:10.1029/WR016i003p00574.
130. Troch, P. A., F. P. De Troch, and W. Brutsaert (1993), Effective water table depth to describe initial conditions prior to storm rainfall in humid regions, Water Resour. Res., 29(2), 427-434, doi:10.1029/92WR02087.
131. Tromp-van Meerveld, H. J., and J. J. McDonnell (2006), Threshold relations in subsurface stormflow: 2. The fill and spill hypothesis, Water Resour. Res., 42, W02411, doi:10.1029/2004WR003800.
132. Van Camp, M., S. D. P. Williams, and O. Francis (2005), Uncertainty of absolute gravity measurements, J. Geophys. Res., 110, B05406, doi:10.1029/2004JB003497.
133. Van Camp, M., M. Vanclooster, O. Crommen, T. Petermans, K. Verbeeck, B. Meurers, T. van Dam, and A. Dassargues (2006), Hydrogeological investigations at the Membach station, Belgium, and application to correct long periodic gravity variations, J. Geophys. Res., 111, B10403, doi:10.1029/2006JB004405.
134. Vautard, R., P. Yiou, F. D'Andrea, N. de Noblet, N. Viovy, C. Cassou, J. Polcher, P. Ciais, M. Kageyama, and Y. Fan (2007), Summertime European heat and drought waves induced by wintertime Mediterranean rainfall deficit, Geophys. Res. Lett., 34, L07711, doi:10.1029/2006GL028001.
135. Vinnikov, K. Y., A. Robock, N. A. Speranskaya, and C. A. Schlosser (1996), Scales of temporal and spatial variability of midlatitude soil moisture, J. Geophys. Res., 101(D3), 7163-7174, doi:10.1029/95JD02753.
136. Wagener, T., M. Sivapalan, P. Troch, and R. Woods (2007), Catchment classification and hydrologic similarity, Geogr. Compass, 1(4), 901-931, doi:10.1111/j.1749-8198.2007.00039.x.
137. Wang, L., and J. Qu (2009), Satellite remote sensing applications for surface soil moisture monitoring: A review, Front. Earth Sci. China, 3(2), 237-247, doi:10.1007/s11707-009-0023-7.
138. Western, A. W., R. B. Grayson, and G. Blöschl (2002), Scaling of soil moisture: A hydrologic perspective, Annu. Rev. Earth Planet. Sci., 30(1), 149-180, doi:10.1146/annurev.earth.30.091201.140434.
139. Wood, E. F., M. Sivapalan, and K. Beven (1990), Similarity and scale in catchment storm response, Rev. Geophys., 28(1), 1-18, doi:10.1029/ RG028i001p00001.
140. Wu, W., M. A. Geller, and R. E. Dickinson (2002), The response of soil moisture to long-term variability of precipitation, J. Hydrometeorol., 3(5), 604-613, doi:10.1175/1525-7541(2002)0032.0. CO;2.
141. Wu, Z., N. E. Huang, S. R. Long, and C.-K. Peng (2007), On the trend, detrending, and variability of nonlinear and nonstationary time series, Proc. Natl. Acad. Sci. U. S. A., 104(38), 14889-14894, doi:10.1073/pnas.0701020104.
142. Wziontek, H., R. Falk, H. Wilmes, and P. Wolf (2009), Precise gravity time series and instrumental properties from combination of superconducting and absolute gravity measurements, in Observing our Changing Earth, edited by M. G. Sideris, pp. 301-306, Springer, Berlin.
143. Zehe, E., T. Graeff, M. Morgner, A. Bauer, and A. Bronstert (2010), Plot and field scale soil moisture dynamics and subsurface wetness control on runoff generation in a headwater in the Ore Mountains, Hydrol. Earth Syst. Sci., 14(6), 873-889, doi:10.5194/hess-14-873-2010.
144. Zreda, M., D. Desilets, T. P. A. Ferré, and R. L. Scott (2008), Measuring soil moisture content non-invasively at intermediate spatial scale using cosmic-ray neutrons, Geophys. Res. Lett., 35, L21402, doi:10.1029/ 2008GL035655.