SPATIAL AND TEMPORAL MAPPING OF WATER IN SOIL BY MAGNETIC-RESONANCE-IMAGING

被引：28
|
作者：
AMIN, MHG
CHORLEY, RJ
RICHARDS, KS
BACHE, BW
HALL, LD
CARPENTER, TA
机构：
[1] Department of Geography, University of Cambridge, Cambridge, CB2 3EN, Downing Place
[2] Herchel Smith Laboratory for Medicinal Chemistry, University of Cambridge School of Clinical Medicine, Cambridge, CB2 2PZ, Robinson Way
来源：
HYDROLOGICAL PROCESSES | 1993年 / 7卷 / 03期
关键词：
3-DIMENSIONAL MAPPING; SOIL WATER; DUAL POROSITY; MAGNETIC RESONANCE IMAGING;
D O I：
10.1002/hyp.3360070305
中图分类号：
TV21 [水资源调查与水利规划];
学科分类号：
081501 ;
摘要：
Experiments on model and real soil blocks designed to assess the feasibility of using magnetic resonance imaging for three-dimensional mapping of the time-varying spatial distribution of water in structured soils are reported. The results show that, notwithstanding inherent problems in imaging natural soils with a significant iron content, experimental parameters can be identified which allow satisfactory images to be obtained. Magnetic resonance imaging may therefore provide important information on soil structure and water movement in dual porosity soils, with attendant benefits for the calibration of models of non-Darcian flow in such soils.
引用
收藏
页码：279 / 286
页数：8
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