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Title: Soil Moisture Dynamics in the Tropical Montane Forest of Northern Thailand
Keywords: soil moisture, Mae Sa, Chiang Mai, tropical montane forest, precipitation, land use land cover
Issue Date: 10-Feb-2010
Citation: QUEK SEE LENG (2010-02-10). Soil Moisture Dynamics in the Tropical Montane Forest of Northern Thailand. ScholarBank@NUS Repository.
Abstract: This thesis examines the soil moisture states of the tropical montane mainland forest of the Mae Sa catchment in Chiang Mai, Northern Thailand. The objectives of this thesis are three-fold. First, this thesis describes the temporal trends of soil moisture states in the upper decimeters of three forest types. They are the dry dipterocarp forest, the mixed evergreen forest and the pine forest. Second, it investigates the hypothesis that soil moisture variability changes in relation to the dominant moisture states, that is, the wet and dry seasons. Emphasis is given to examining moisture variability between seasonal changes. Finally, soil moisture between two land use/cover types, the aforementioned forest types and a rubber plantation, are compared and described. Fieldwork was undertaken between January and October of 2009 in the three common forest types of the Mae Sa catchment. The temporal trends of the soils moisture states in the upper decimeters are described and the findings suggest that similar patterns exist across all three forest types. Results indicate that soil moisture is more variable during the latter half of the year, that is, the months spanning the wet season and the drying down inter-season thereafter. This finding of the forest is compared with that of a juvenile rubber plantation and found to be consistent although moisture levels were lower at the rubber plantation. The combinative use of high temporal frequency dataset with high spatial frequency dataset was also explored and discussed to be complementary measurements that will yield insights to better understanding of catchment hydrology.
Appears in Collections:Master's Theses (Open)

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