APPROACHES TO MONITORING AND REGULATION OF AN AQUIFER STORAGE AND RECOVERY SYSTEM IN THE EDWARDS AQUIFER, SOUTH-CENTRAL TEXAS, USA Jennifer R. Adkins Schudrowitz, Alyssa B. Balzen , F. Paul Bertetti AbstractThe Edwards (Balcones Fault Zone) Aquifer (Edwards BFZA) is a major karstic limestone aquifer in south-central Texas, USA. The aquifer serves as the primary water supply for approximately 2.5 million people and is integral to the ecosystems of major springs that are home to several threatened and endangered species.

Dehydration Melting at the Top of the Lower MantleBrandon Schmandt1 , Steven D. Jacobsen2 , Thorsten W. Becker3 , Zhenxian Liu4 , Kenneth G. Dueker5 1 Department of Earth and Planetary Science, University of New Mexico, Albuquerque, NM, USA. 2 Department of Earth and Planetary Sciences, Northwestern University, Evanston, IL, USA. 3 Department of Earth Sciences, University of Southern California, Los Angeles, CA, USA. 4 Geophysical Laboratory, Carnegie Institution of Washington, Washington DC, USA.

GEOLOGY AS A PART OF A COLLEGE CURRICULUMH. S. Williams, 1892 The demand for scientific studies as a part of the college curriculum is felt by all those who have to do with the provision of higher instruction for American youth. The reasons for this may be various, but a fundamental reason is found in the tendency among the American people in particular, and in this age in general, toward practicality in all things.

Thicketized Oak Woodlands Reduce Groundwater Recharge Shishir Basant a, Bradford P. Wilcox a, Chelsea Parada b, Briana M. Wyatt c, Brent D.

GEOMORPHIC PROVINCES AND REGIONS OF TEXAS Thomas E. Ewing, Bexar Geological Surveys, San Antonio TXABSTRACTTexas is a state and region with varied landforms, but they have received only limited attention. Reanalysis of geomorphic regions in Texas indicates three major provinces.

Geochemical interactions among water, minerals, microbes, and organic matter in formation of speleothems in volcanic (lava tube) caves

Harshad Vijay Kulkarni, Joshua Ford, Jennifer G. Blank, Minkyu Park, Saugata Datta

Estimation of Thermodynamic and Dynamic Contributions to Sea Ice Growth in the Central Arctic using ICESat-2 and MOSAiC SIMBA Buoy Data

YoungHyun Koo, Ruibo Lei, Yubing Cheng, Bin Cheng, Hongjie Xie, Mario Hoppmann, Nathan T. Kurtz, Stephen F. Ackley, Alberto M. Mestas-Nuñez

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