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020 ▼a 9780438347182
035 ▼a (MiAaPQ)AAI10189402
035 ▼a (MiAaPQ)berkeley:16013
040 ▼a MiAaPQ ▼c MiAaPQ ▼d 247004
0820 ▼a 551
1001 ▼a Bhattacharya, Tripti.
24510 ▼a Causes and Impacts of Rainfall Variability In Central Mexico on Multiple Timescales.
260 ▼a [S.l.]: ▼b University of California, Berkeley., ▼c 2016.
260 1 ▼a Ann Arbor: ▼b ProQuest Dissertations & Theses, ▼c 2016.
300 ▼a 123 p.
500 ▼a Source: Dissertation Abstracts International, Volume: 80-01(E), Section: B.
500 ▼a Adviser: Anthony R. Byrne.
5021 ▼a Thesis (Ph.D.)--University of California, Berkeley, 2016.
520 ▼a The eastern sector of Mexico's Trans-Mexican Volcanic Belt is a semi-arid region, where interannual rainfall variability is significantly stresses regional water resources and the livelihood of millions. The region is linked to a broader summert
520 ▼a My first dissertation chapter uses instrumental data to diagnose the causes of El Nino-induced droughts in Mexico. This work explores the mechanisms responsible for rainfall changes over Central Mexico during the developing versus decaying phase
520 ▼a My second dissertation chapter uses the oxygen stable isotope ratios (delta18O) of lacustrine carbonates as well as elemental geochemistry to reconstruct late Holocene drought in Central Mexico. This sub-centennially resolved record is the first
520 ▼a My third dissertation chapter explores impacts of late Holocene droughts on the terrestrial ecosystems in Central Mexico. I reconstructed past vegetation and fire dynamics from pollen and microscopic charcoal, and compared these data to our stab
520 ▼a My fourth chapter is an exploration of the causes of centennial-scale across Mexico and Central America in the late Holocene. This work identifies the spatiotemporal patterns of late Holocene drought by synthesizing Mesoamerican proxy records. I
520 ▼a Finally, I synthesize the knowledge in each of the dissertation chapters and point to avenues of future research.
590 ▼a School code: 0028.
650 4 ▼a Paleoclimate science.
650 4 ▼a Paleoecology.
690 ▼a 0653
690 ▼a 0426
71020 ▼a University of California, Berkeley. ▼b Geography.
7730 ▼t Dissertation Abstracts International ▼g 80-01B(E).
773 ▼t Dissertation Abstract International
790 ▼a 0028
791 ▼a Ph.D.
792 ▼a 2016
793 ▼a English
85640 ▼u http://www.riss.kr/pdu/ddodLink.do?id=T14996486 ▼n KERIS ▼z 이 자료의 원문은 한국교육학술정보원에서 제공합니다.
980 ▼a 201812 ▼f 2019
990 ▼a ***1012033