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List of works by Andrew J. Long

A framework for assessing water and proppant use and flowback water extraction associated with development of continuous petroleum resources

article

A one-dimensional heat-transport model for conduit flow in karst aquifers

article

Age-distribution estimation for karst groundwater: Issues of parameterization and complexity in inverse modeling by convolution

article

Analysis of ground-water flow in the Madison aquifer using fluorescent dyes injected in Spring Creek and Rapid Creek near Rapid City, South Dakota, 2003-04

article

Comparison of a karst groundwater model with and without discrete conduit flow

Conceptual model of the uppermost principal aquifer systems in the Williston and Powder River structural basins, United States and Canada

article

Construction and calibration of a groundwater-flow model to assess groundwater availability in the uppermost principal aquifer systems of the Williston Basin, United States and Canada

article

Data management plan for the U.S. Geological Survey Washington Water Science Center

scientific article

Effects of projected climate (2011–50) on karst hydrology and species vulnerability—Edwards aquifer, south-central Texas, and Madison aquifer, western South Dakota

scholarly article published 2014

Environmental tracers as indicators of karst conduits in groundwater in South Dakota, USA

Groundwater availability of the Williston Basin, United States and Canada

article

Groundwater flow, quality (2007-10), and mixing in the Wind Cave National Park area, South Dakota

Historical and projected climate (1901–2050) and hydrologic response of karst aquifers, and species vulnerability in south-central Texas and western South Dakota

Hydrogeologic framework of the uppermost principal aquifer systems in the Williston and Powder River structural basins, United States and Canada

article

Hydrograph separation for karst watersheds using a two-domain rainfall–discharge model

article

Microgravity methods for characterization of groundwater-storage changes and aquifer properties in the karstic Madison aquifer in the Black Hills of South Dakota, 2009-12

Multivariate analyses with end-member mixing to characterize groundwater flow: Wind Cave and associated aquifers

Multivariate statistical approach to estimate mixing proportions for unknown end members

article

Simulated groundwater flow in the Ogallala and Arikaree aquifers, Rosebud Indian Reservation area, South Dakota - Revisions with data through water year 2008 and simulations of potential future scenarios

Statistical analyses of hydrologic system components and simulation of Edwards aquifer water-level response to rainfall using transfer-function models, San Antonio region, Texas

Williston Basin groundwater availability, United States and Canada

article