Item Infomation
Title: | Monitoring Saturation Changes with Ambient Seismic Noise and Gravimetry in a Karst Environment |
Authors: | Fores, B. |
Participants: | Champollion, C. Mainsant, G. Albaric, J. Fort, A. |
Issue Date: | 2018 |
Series/Report no.: | Vadose Zone Journal, Volume 17, Issue 1 (2018), pp.1-12 |
Abstract: | A slow infiltration rate would explain the delay of several months between the rainy season (November) and the minimum velocity (June). Superconducting gravimeter, evapotranspiration, and magnetic resonance sounding (MRS) measurements were then combined with seismic data in one‐dimensional physical simulations. Velocity changes clearly constrain hydrological parameters, like saturated hydraulic conductivity, even if the Biot–Gassmann theory does not explain all of the amplitude observed. Nevertheless, this nondestructive method demonstrates great potential in hydrological model calibration. It overcomes the lack of depth resolution of gravimetry and the lack of temporal resolution of MRS. The combination of ambient seismic noise with gravimetry and MRS could fill the instrumental gap currently existing in hydrology for the study of deep and/or complex critical zones. |
URI: | http://tailieuso.tlu.edu.vn/handle/DHTL/9443 |
Source: | https://acsess.onlinelibrary.wiley.com/doi/10.2136/vzj2017.09.0163 |
ISSN: | 1539-1663 |
Appears in Collections: | Tài liệu mở |
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