Concepedia

Andrew J. Long

AJ

18

Publications

580

Citations

14

H-Index

1993

Active since

Affiliations

United States Geological Survey(Current)

South Dakota School of Mines and Technology

Andrew J. Long is an author at United States Geological Survey specializing in engineering, earth science, and hydrology.

Top concepts

EngineeringEarth ScienceHydrologyHydrogeologyCivil EngineeringGeographyHydrological ModelingGeochemistryWater ResourcesGeology

Publications per year

1993–2019

18

Publications

18

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

S. P. Saller, Michael J. Ronayne, Andrew J. Long · Hydrogeology Journal · 2013 · 73 citations

Hydrogeology, Karst Groundwater Model, Engineering +8

Linear model describing three components of flow in karst aquifers using 18O data

Andrew J. Long, Larry D. Putnam · Journal of Hydrology · 2004 · 63 citations

Hydrogeology, Engineering, Subsurface Hydrology +8

Linear systems analysis in a karst aquifer

Andrew J. Long, Russell G. Derickson · Journal of Hydrology · 1999 · 50 citations

Hydrogeology, Engineering, Subsurface Hydrology +4

Multivariate statistical approach to estimate mixing proportions for unknown end members

Joshua F. Valder, Andrew J. Long, Arden D. Davis et al. · Journal of Hydrology · 2012 · 50 citations

Mixture Distribution, Mixture Analysis, Multivariate Statistical Approach +5

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

Andrew J. Long, Joshua F. Valder · Journal of Hydrology · 2011 · 47 citations

Hydrogeology, End-member Mixing, Engineering +8

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