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Peat hydrology in the Hula Basin, Israel: I. Properties of peat
Year:
1977
Source of publication :
Journal of Hydrology
Authors :
Dasberg, Shmuel
;
.
Volume :
32
Co-Authors:
Dasberg, S., Institute of Soil and Water, Agricultural Research Organization, Bet Dagan, Israel
Neuman, S.P., Institute of Soil and Water, Agricultural Research Organization, Bet Dagan, Israel
Facilitators :
From page:
219
To page:
239
(
Total pages:
21
)
Abstract:
The results of laboratory and field studies concerned with various mechanical and hydraulic properties of peat in the Hula Basin are presented. Particular emphasis has been placed on the measurement of bulk density, porosity and void ratio, hydraulic conductivity, water retention under unsaturated conditions, compressibility, release of water due to consolidation and the content of organic matter. It is shown that the properties of peat in the basin change drastically when it becomes partially desaturated. As a result of this change, one can distinguish between a permanently saturated layer below the zone of water-table fluctuation having relatively uniform characteristics and an overlying partially desaturated layer the properties of which vary gradually with depth. The saturated layer is currently undergoing a process of consolidation and its properties may therefore be expected to change in the future. One of the conclusions reached in this work is that compressibility is very important and must not be neglected in dealing with fluid flow through peats. This is true for confined as well as unconfined (i.e., water-table) conditions. © 1977.
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DOI :
10.1016/0022-1694(77)90018-X
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
25395
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:14
Scientific Publication
Peat hydrology in the Hula Basin, Israel: I. Properties of peat
32
Dasberg, S., Institute of Soil and Water, Agricultural Research Organization, Bet Dagan, Israel
Neuman, S.P., Institute of Soil and Water, Agricultural Research Organization, Bet Dagan, Israel
Peat hydrology in the Hula Basin, Israel: I. Properties of peat
The results of laboratory and field studies concerned with various mechanical and hydraulic properties of peat in the Hula Basin are presented. Particular emphasis has been placed on the measurement of bulk density, porosity and void ratio, hydraulic conductivity, water retention under unsaturated conditions, compressibility, release of water due to consolidation and the content of organic matter. It is shown that the properties of peat in the basin change drastically when it becomes partially desaturated. As a result of this change, one can distinguish between a permanently saturated layer below the zone of water-table fluctuation having relatively uniform characteristics and an overlying partially desaturated layer the properties of which vary gradually with depth. The saturated layer is currently undergoing a process of consolidation and its properties may therefore be expected to change in the future. One of the conclusions reached in this work is that compressibility is very important and must not be neglected in dealing with fluid flow through peats. This is true for confined as well as unconfined (i.e., water-table) conditions. © 1977.
Scientific Publication
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