10.4231/MFTM-QC39
Abigail Tomasek
,
Cliff T Johnston
,
Darrell G Schulze
,
Erika J Foster
,
Juan Lopa Bolivar
,
Lucia Zuniga
,
Martha Jimenez Castaneda
,
Martin Villalta Soto
,
Sabina Yeasmin
,
Timothy Filley
,
Walter D. Leon-Salas
,
Zachary Brecheisen
05/05/2021
Soil chemistry data for two agricultural areas: an irrigated desert in the Majes District and sites around the City of Arequipa. Data include soil wet chemistry (pH, EC, carbon, etc), and portable X-ray fluorescence and visible near infrared...
Agriculture Arequipa Nexus Institute EAPS Peru proximal spectroscopy soil chemistry soil health soil reflectance visible near infrared x-ray fluorescence
10.4231/PJRM-Q992
Elizabeth Olson
,
Lisa R. Welp
,
Marty D. Frisbee
,
Odiney Alvarez Campos
01/14/2022
We identified recharge zones and groundwater flowpaths supporting springs near Arequipa, Peru using general chemistry and isotopic tracers (δ18O, δ2H, and 3H) in springs, surface waters, and precipitation sampled from March 2019 through February...
Andes Arequipa Arequipa Nexus Institute Chemistry EAPS Groundwater Peru recharge salar stable isotopes
10.4231/0NWT-5Y39
Douglas R Schmitt
,
Wei Li
,
Wenjing Wang
08/11/2021
A Matlab-based algorithm that predicts the development of borehole breakouts in elastic and strength anisotropic rock formations using Lekhnitskij-Amadei (LA) equations.
anisotropy EAPS failure pattern Matlab single plane of weakness wellbore stability analysis
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