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Like just discovered? How long has it been and there and why wasn’t it discovered before? That seems like it would be a well traveled route.
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2021 an expedition to the location of a blue hole of unknown depth in the bay was carried out in collaboration with Jesus Artemio Poot Villa (personal communication, March 15, 2021), a local fisherman.
The TJBH is located at 378823 m E, 2059390 m N (UTM 16Q) in the central portion of Chetumal Bay, where submerged coastal karstic sinkholes locally named ‘pozas’ have been reported (Carrillo et al., 2009b) (Figure 1A). Following Mylroie (2013) and Yao et al. (2020), these geomorphologic features could be recognized as blue holes since they are roughly circular and steep-walled karstic formations, open to the surface but with their depth fully developed below sea-level, and filled with water of fresh, marine and brackish chemistry.