Model-Based Identification of the Base of the Gas Hydrate Stability Zone in Multichannel Reflection Seismic Data, Offshore Costa Rica
(a) The clear BSR (blue lines) is regularly distributed along the profile. After calculating its corresponding geothermal gradient and interpolating it, a modeled BSR (red lines) is derived. (b) The resulting smoothed heat flow trends with error bounds and an analytical heat flow curve from Molnar and England  are compared to in-situ data (Figure 3). The values north of the Paleo Plate Boundary near ODP Leg 170 and south of the plate boundary (S6) were derived from Langseth and Silver  and the values south of the plate boundary M54-43 and M54-113 were acquired by Grevemeyer et al. .
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