CAJ | 학술논문

泰国岩溶面积约占中南半岛岩溶面积的1/4,横跨近11个纬度。泰国岩溶作用强烈,地貌奇特,类型多样,既有典型的高原坡立谷岩溶,也有典型的峰丛洼地谷地和滨海峰林岩溶地貌,因而在全球岩溶对比研究中具有重要地位。本文在初步查明泰国岩溶分布、典型岩溶区的水文地球化学特征的基础上,分析了泰国岩溶发育的主要特点和动力条件,并与中国西南岩溶作了对比,旨在推动中国与中南半岛岩溶的对比以及全球现代岩溶的对比研究。
태국암용면적약점중남반도암용면적적1/4,횡과근11개위도。태국암용작용강렬,지모기특,류형다양,기유전형적고원파립곡암용,야유전형적봉총와지곡지화빈해봉림암용지모,인이재전구암용대비연구중구유중요지위。본문재초보사명태국암용분포、전형암용구적수문지구화학특정적기출상,분석료태국암용발육적주요특점화동력조건,병여중국서남암용작료대비,지재추동중국여중남반도암용적대비이급전구현대암용적대비연구。
Thailand is situated in the central Indo-China Peninsula.The karst of Thailand is in the same glob-al karst environmental zone as southwest China.Karst study in Thailand is mainly focused on the southern Shan states plateau in the north and Phang Nga bay of Karbi Province in the south.Published work on karst in Thailand has mainly been descriptive in nature,addressing topics such as the relationship between karst landscape development and regional geological structure in Mae Hong Song karst region,and the impact of climate,lithology and structure on coastline tower karst in southern Thailand.As yet,Earth System Science and Karst Dynamics have not been introduced into karst research in Thailand,thus research has not been car-ried out focusing on karst development mechanisms,influence factors. In this paper,the discussion of karst distribution and development,hydrogeological features of typical landscapes and their controlling factors in Thailand could help to promote study of correlations in karst geology between China and Indo-China Peninsula,providing fundamental support for the global karst carbon cycle monitoring network. Thailand has about 50,000 km2 ,of karst,i.e.,one fourth of the Indo-China Peninsula.Typical karst landscapes are well developed,including plateau polj e,peak cluster,peak valley and offshore peak forest. All those landscapes are important in the research field of global karst correlation. Since 2012,an international project in cooperation with the Department of Groundwater Resources of Thailand has been carried out by the Institute of Karst Geology.It is titled"Correlation study of karst geology between China and Indo-China Peninsula"and supported by China Geological Survey.Survey data indicates that karst in Thailand is mainly located in the west part in north-south direction,crossing 11 degrees (N19.3°to N8.5°)of latitude.Various karst landscapes with different hydro-geochemistry are found in the different latitude zone. At present,the first karst hydrogeological and carbon cycle monitoring station was established at Phu Toej spring,Kanchanaburi,Thailand,and high-resolution data was collected at 1 5-minute intervals for one year,including water temperature,pH,specific conductivity and dissolved oxygen. Compare to typical underground streams or springs in the karst of southwest China,Phu Toej spring has higher Ca2+(100-120 mg/L),HCO-3 (8.6-9.3 mmol/L)and specific conductivity(700-777μs/cm).This indicates that the intensity of karst processes in this catchment is much greater than that in the karst of southwest China,and there is potentially higher karst carbon sink intensity in such a tropical monsoon climate zone.