Datasets

subject: EAPS

Total is 63 Results
Arequipa Peru Agricultural Soil Chemistry with pXRF and VNIR spectroscopy

10.4231/MFTM-QC39

Abigail Tomasek , Cliff T Johnston , Darrell G Schulze ORCID logo , Erika J Foster ORCID logo , 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

Groundwater chemistry within Arequipa, Peru in the Characato, Chiguata, and Lagunas Salinas study areas

10.4231/PJRM-Q992

Elizabeth Olson , Lisa R. Welp ORCID logo , Marty D. Frisbee ORCID logo , 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

Failure pattern around the borehole in elastic and strength anisotropic rock formations

10.4231/0NWT-5Y39

Douglas R Schmitt ORCID logo , 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

Evaluating the variability of surface soil moisture simulated within CMIP5 using SMAP data

10.4231/A0QC-7E03

Pierre Gentine , Qianlai Zhuang ORCID logo , Seungbum Kim , Xuan Xi ORCID logo

12/01/2021

This dataset includes the comparison results of 17 land surface models from the Coupled Model Intercomparison Project Phase 5 (CMIP5) globally using the Soil Moisture Active Passive (SMAP) products and codes for analysis.

EAPS Fourier Analysis Land Surface Model Matlab SMAP Soil Moisture

Rain stable water isotope data from the city of Arequipa, Peru during 2019 wet season

10.4231/HTSF-GK66

Adriana Larrea Valdivia , Efraín Palma Arhuir , Elizabeth Olson , Greg Michalski , Jonathan DeGraw , Juan Reyes Larico , Lino Morales Paredes , Lisa Welp ORCID logo

08/09/2022

We analyzed daily rainfall in the southern Peruvian city of Arequipa for water stable isotopes during the 2019 monsoon season to study sub-seasonal precipitation dynamics including time-varying moisture source influence.

Andes EAPS flooding hydrogen isotopes moisture source orographic oxygen isotopes Precipitation South American Summer Monsoon stable isotopes western cordillera

Testing common tubing materials for memory effects during water vapor stable isotope measurements

10.4231/TTQ4-3G44

Alexandra Meyer ORCID logo , Lisa Welp-Smith ORCID logo

09/29/2022

A laboratory experiment testing the water vapor isotopic memory of a few common air intake tubing materials (PFA, FEP, PTFE, HDPE, and copper). e-folding times are quantified at 2 different temperatures.

carryover deuterium excess EAPS isotopic Los Gatos memory effect water isotopes Water Vapor

BreakOut Automatic Picking From Image Logs (BOAPFIL)

10.4231/Q677-QE32

Douglas R Schmitt ORCID logo , Wenjing Wang

09/06/2022

A Matlab-based algorithm that picks breakout azimuth and width from ultrasonic image logs automatically

breakout EAPS ultrasonic image log wellbore stability analysis

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