APPLICABILITY OF DUAL GAMMA SCANNING TO FREEZING SOILS AND THE PROBLEM OF STRATIFICATION

被引：10

作者：

GOIT, JB

GROENEVELT, PH

KAY, BD

LOCH, JGP

机构：

来源：

SOIL SCIENCE SOCIETY OF AMERICA JOURNAL | 1978年 / 42卷 / 06期

关键词：

MATHEMATICAL MODELS - THERMAL EFFECTS;

D O I：

10.2136/sssaj1978.03615995004200060003x

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

The equation describing the attenuation of a gamma beam in a stratified medium is formulated. A technical modification in the scanning procedure is suggested in order to solve the appropriate equations and to locate the interface.

引用

页码：858 / 863

页数：6

共 10 条

[1] MEASUREMENT OF ATTENUATION OF CS-137 AND AM-241 GAMMA-RAYS FOR SOIL DENSITY AND WATER CONTENT DETERMINATIONS
COREY, JC
PETERSON, SF
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[J]. SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1971, 35 (02): : 215 - &
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MILLER, RD
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[3] SYSTEMATIC AND RANDOM ERRORS IN DUAL GAMMA ENERGY SOIL BULK DENSITY AND WATER-CONTENT MEASUREMENTS
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[4] GARDNER WH, 1967, P S ISOTOPE RADIATIO, P101
[5] Groenevelt P.H., 1969, B INT ASSOC SCI HYDR, V14, P67
[6] USE OF A DUAL GAMMA SCANNER TO OBSERVE SHRINKAGE OF CLAY
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[J]. GEODERMA, 1974, 11 (04) : 287 - 295
[7] MOISTURE MOVEMENT IN SOILS UNDER TEMPERATURE GRADIENTS WITH COLD-SIDE TEMPERATURE BELOW FREEZING
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[J]. WATER RESOURCES RESEARCH, 1966, 2 (02) : 241 - &
[8] WATER REDISTRIBUTION IN PARTIALLY FROZEN, SATURATED SILT UNDER SEVERAL TEMPERATURE-GRADIENTS AND OVERBURDEN LOADS
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[J]. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 1978, 42 (03) : 400 - 406
[9] NOFZIGER DL, 1974, J APPL PHYS, V45, P5443, DOI 10.1063/1.1663256
[10] COLUMN SCANNING WITH SIMULTANEOUS USE OF AM-241 AND CS-137 GAMMA-RADIATION
STROOSNIJDER, L
SWART, JGD
[J]. SOIL SCIENCE, 1974, 118 (02) : 61 - 69

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