Paleoclimate and vegetation of the Last Glacial Cycles in Jerusalem from a Speleothem Record
- Permanent Link:
- Paleoclimate and vegetation of the Last Glacial Cycles in Jerusalem from a Speleothem Record
- Series Title:
- Global Biogeochemical Cycles
- Frumkin, Amos
Ford, Derek C.
- Publication Date:
- Subjects / Keywords:
- Peleothem Isotopic ( local )
Jerusalem ( local )
Paleoclimate ( local )
- serial ( sobekcm )
- A speleothem isotopic record taken from Jerusalem is used to reconstruct regional climate over the last 170,000 years. Glacial periods in Jerusalem were generally cooler and wetter than the present climate. Stage 5e in the desert margin of Jerusalem was extremely unstable, dry, and warm, and instability persisted throughout the transition to glacial conditions. The climate after stage 5e became gradually cooler and wetter over a 20,000â€year interval and did not recover to interglacial conditions in stages 5c and 5a. The Î´13C varied by up to 12â€°, from glacial (stages 6, 4, 3, 2) values of âˆ’10 to âˆ’12â€° that reflect dense C3 vegetation above the studied cave, and up to 0â€° in early stage 5 when there was probably complete loss of vegetation. The climatic instability during interglacial periods is much larger than during glacial periods, and glacial/interglacial transitions do not behave the same in each climatic cycle in this region.
- Original Version:
- Global Biogeochemical Cycles, Vol. 14, no. 3 (2000-09-01).
- Source Institution:
- University of South Florida Library
- Holding Location:
- University of South Florida
- Rights Management:
- This object is protected by copyright, and is made available here for research and educational purposes. Permission to reuse, publish, or reproduce the object beyond the bounds of Fair Use or other exemptions to copyright law must be obtained from the copyright holder.
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