Concepedia

Author

Karl J. Ellefsen

United States Geological SurveyORCID

Also Known As

Bronwen Wang, Ellefsen, Karl J, K. J. Ellefsen, K.J. Ellefsen, Karl Ellefsen, Karl J Ellefsen, Karl J. Ellefsen

105

Publications

1.2K

Citations

18

H-Index

59

Concepts

All Affiliations

United States Geological SurveyDenver Federal CenterMassachusetts Institute of TechnologyEnvironmental Protection AgencyEnvironmental Protection Agency
KJ

About

Karl J. Ellefsen is an author at United States Geological Survey specializing in engineering, earth science, and geology.

Top Concepts

#ConceptH-IndexPublicationsCitations

1

Engineering

14

15

713

2

Geography

8

8

417

3

Civil Engineering

6

6

189

4

Applied Physics

2

2

67

5

Mechanical Engineering

2

2

58

Karl J. Ellefsen

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29

Publications

981

Citations

18

H-Index

YearCitations

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