Heat Flow Detection Technology and Methods of Seafloor Fluid-Seep Area
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摘要: 海底流体渗漏区往往伴随着丰富的海底资源，但具有区域较小、流体渗漏比较活跃、地质背景复杂等特点.为了更好地研究流体流动特征和富集资源等复杂问题，需要精细测量海底流体渗漏区的热流.通过总结各种热流探针的技术特点及海底流体渗漏区的热流特征，并结合最新的海洋地质调查发现，由机械手操控的热流探针，可以快速、准确地测量地质背景复杂的海底流体渗漏区的热状态.
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关键词:
- 海底热流测量 /
- 机械手操控的热流探针 /
- 常规热流探针 /
- 海底流体渗漏区 /
- 海洋地质
Abstract: A seafloor fluid-seep area is generally small, and is characterized by rich mineral resources, active fluid seep and complex geological background. In order to reveal fluid flowing features and to explore mineral resources in fluid-seep areas, precise measurement of heat flow in fluid seep areas is important. This paper describes technical parameters of common heat flow probes and general characteristics of heat flow in seafloor fluid-seep areas. Recent marine geological survey has proved that a heat flow probe operated by a robot has been successfully applied for quick and precise measurement of the heat flow in the seafloor fluid-seep area.-
Key words:
- heat flow measurement /
- robot operating probe /
- common probe /
- seafloor fluid-seep area /
- marine geology
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图 1 广州海洋地质调查局研制的剑鱼 (a)、飞鱼 (b) 和针鱼 (c) 热流探针
Fig. 1. (a) JY-1、(b) FY-1 and (c) ZY-1 probe made by GMGS
图 3 SHF14、15和16站位的地热及水文模型
Fig. 3. Thermal and hydrological model across SHF14, 15 and 16
图 4 原位沉积物温度测线
a.由机械手操控的热流探针进行测量；b、c.由常规探热流针测量；据Feseker et al.(2008)
Fig. 4. In-situ sediment temperature profiles
图 5 沿穿过DMV中心AB和CD样线深度-温度关系
a.海底水温；b.水深；c.沉积物地温梯度；据Feseker et al.(2009)
Fig. 5. Relation of depth and temperature along transect lines AB and CD across the center of the DMV
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