GEOCHEMICAL CHARACTERISTICS OF SEDIMENT PORE WATER FROM SITE XS-01 IN THE XISHA TROUGH OF SOUTH CHINA SEA AND THEIR SIGNIFICANCE FOR GAS HYDRATE OCCURRENCE

• 南海北部陆坡西沙海槽XS-01站位沉积物孔隙水的地球化学特征及其对天然气水合物的指示意义