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- (Received Pronunciation) IPA(key): /ˌkɹɪptəʊdɪˈpɹɛʃən/
- (General American) IPA(key): /ˌkɹiptoʊdəˈpɹɛʃ(ə)n/
Audio (AU) (file)
- Hyphenation: cryp‧to‧de‧press‧ion
cryptodepression (plural cryptodepressions)
- (geography, limnology) The portion of a lake which lies below sea level.
- 1957, G[eorge] Evelyn Hutchinson, A Treatise on Limnology, volume I (Geography, Physics, and Chemistry), New York, N.Y.: John Wiley & Sons, OCLC 475547083, page 165:
- When the bottom of the lake lies below mean sea level, it is said to occupy a cryptodepression, the depth of which is the depth below sea level of the deepest point of the basin.
- 1975 March, Robert V. Thomann; Dominick M. DeToro; Richard P. Winfield; Donald J. O’Connor, “Section IV: Lake Ontario – Background”, in Mathematical Modeling of Phytoplankton in Lake Ontario: 1. Model Development and Verification (Ecological Research Series; EPA-660/3-75-005), Corvallis, Or.: National Environmental Research Center, Office of Research and Development, U.S. Environmental Protection Agency, OCLC 890687357, page 8:
- The lake's elevation above sea level is 74.01 meters (242.8 feet) which makes its depth of cryptodepression to be 170 meters (558 feet).
- 1979 June, “Appendix A: Problem Identification”, in A Study to Determine the Feasibility of Providing Flood Control Improvements to the Susupe Chalan Kanoa Area, Island of Saipan, Commonwealth of the Northern Mariana Islands: Draft Detailed Report and Environmental Statement, Fort Shafter [Honolulu], Hi.: U.S. Army Engineer District, Honolulu, OCLC 172922398, page A-10:
- The greater volume of the lake [Lake Susupe] occupies a cryptodepression (that portion which lies below sea level). Based upon a surface elevation of +2.5 ft determined on 20 December 1978 by Juan C. Tenorio and Associates' surveyors, the depth of the cryptodepression is -1.4m (4.7 ft) below sea level.
- 1988, R. B. Wood; J. F. Talling, “Chemical and Algal Relationships in a Salinity Series of Ethiopian Inland Waters”, in Hydrobiologia: The International Journal of Aquatic Sciences, volume 158, Dordrecht: Kluwer Academic Publishers, ISSN 0018-8158, OCLC 757640392, page 29; reprinted in J. M. Melack, editor, Saline Lakes: Proceedings of the Third International Symposium on Inland Saline Lakes, Held at Nairobi, Kenya, August 1985 (Developments in Hydrobiology; 44), Dordrecht: Dr. W. Junk Publishers, 1988, DOI:10.1007/978-94-009-3095-7, →ISBN, abstract, page 29:
- At present there are three major closed systems (Awash R. – Afar drainage, northern rift lakes, southern rift lakes), numerous crater lakes with seepage-in and -out, and two cryptodepressions with marine inputs.
- [2012, José Galizia Tundisi; Takako Matsumura-Tundisi, “The Origin of Lakes”, in Limnology, Boca Raton, Fla.: CRC Press, →ISBN, section 3.3.10 (Average Slope (α)), page 49:
- The maximum depth of some lakes is below current sea level. Such lakes are called cryptodepressions. Well-known cases of tectonic lakes include Lake Baikal and the Caspian Sea. Some glacial lakes in Norway, Scotland and England are also cryptodepressions.
portion of a lake which lies below sea level