Jeff Tollefson

Concepts (295)

Concepts are derived automatically from a person's publications.
Concepts are listed by decreasing relevance which is based on many factors, including how many publications the person wrote about that topic, how long ago those publications were written, and how many publications other people have written on that same topic.
Name Number of Publications Most Recent Publication Publications by All Authors Concept Score Why?
Global Warming182021937.45Why?
Federal Government2120215627.09Why?
Environmental Policy132020886.29Why?
United States Environmental Protection Agency122021294.59Why?
Science1520214634.56Why?
Carbon Dioxide1020219173.10Why?
Research Personnel11202010372.71Why?
Budgets720211552.46Why?
Atmosphere620191032.46Why?
Oceans and Seas42019732.36Why?
Seawater42019602.26Why?
Politics13202018242.04Why?
Conservation of Natural Resources720205202.02Why?
Carbon Sequestration3201851.71Why?
Renewable Energy42021551.66Why?
Wetlands32019321.63Why?
Methane22019261.51Why?
Nuclear Weapons22018121.47Why?
Research Support as Topic520193271.42Why?
Satellite Communications22018191.42Why?
Uncertainty5201918881.41Why?
Research5201921151.39Why?
Greenhouse Effect42019481.33Why?
Fossil Fuels52019921.24Why?
Geographic Mapping220172471.21Why?
Sunlight220192871.17Why?
Environmental Monitoring4202031431.15Why?
International Cooperation8202034361.14Why?
Forestry42019141.12Why?
United Nations420193671.08Why?
Human Activities420192931.07Why?
Forecasting4202044921.05Why?
Internationality4202032971.02Why?
Research Report220183761.02Why?
Extinction, Biological22019530.94Why?
Carbon320212690.93Why?
Wildfires22018650.85Why?
Floods32019530.84Why?
Temperature3201823050.81Why?
Tropical Climate220191790.79Why?
Climate Change420209010.78Why?
Calcium Carbonate12018100.78Why?
Endangered Species12019400.78Why?
Chemical Safety1201810.78Why?
Aquatic Organisms220181480.77Why?
Disasters620197600.76Why?
Political Activism12019500.76Why?
Financing, Organized220171370.76Why?
Plankton1201880.75Why?
Crop Production12018100.75Why?
Facility Design and Construction220171890.75Why?
Rainforest12018370.75Why?
Dinoflagellida12018110.74Why?
Agriculture220193670.74Why?
Biodiversity220195460.73Why?
Radioactive Waste1201720.73Why?
United States National Aeronautics and Space Administration62021360.73Why?
Soot12018390.72Why?
Extraction and Processing Industry1201710.72Why?
Zooplankton1201710.72Why?
Copepoda1201720.72Why?
Forests120191320.70Why?
Waste Disposal Facilities12017570.70Why?
Wood12017290.70Why?
Phytoplankton12017160.69Why?
Petroleum12017160.69Why?
Glass12017780.68Why?
Satellite Imagery12017560.67Why?
Soil120181370.67Why?
Fishes12017990.65Why?
Security Measures120192110.65Why?
Microwaves12017880.64Why?
United States292021461500.64Why?
Dissent and Disputes120181170.64Why?
Rain120171080.64Why?
Disaster Planning4202016800.64Why?
Meteorology120171140.62Why?
Foreign Professional Personnel32020290.61Why?
Fund Raising12016350.60Why?
Trees22017250.59Why?
Climate220175570.58Why?
Technology220198120.58Why?
Industry120183470.57Why?
Conflict of Interest120171750.57Why?
Noise120171940.57Why?
Authorship120182400.57Why?
Electric Power Supplies12014300.56Why?
Environmental Pollution420183440.55Why?
Private Sector120172620.55Why?
Islands12014810.55Why?
Peer Review, Research120184070.53Why?
Air Pollution4202035040.53Why?
Remote Sensing Technology120183510.53Why?
Advisory Committees2201814180.52Why?
Firearms120172380.51Why?
Access to Information120184830.51Why?
City Planning12013530.50Why?
United States Government Agencies32018200.49Why?
Cultural Evolution12012120.49Why?
Fires32019870.47Why?
Spacecraft22017210.46Why?
Ecology320171400.46Why?
Hot Temperature1201912990.45Why?
Population Density120176940.45Why?
Iron120176190.44Why?
Policy Making120188290.44Why?
Weather120175810.43Why?
Astronomy32018210.41Why?
Emigrants and Immigrants120198880.41Why?
Ecosystem220197760.40Why?
Biomass12009800.40Why?
Cooperative Behavior1201812160.40Why?
National Institutes of Health (U.S.)520194430.40Why?
Ships1201810460.39Why?
Electricity22020680.39Why?
Cell Phone120177500.39Why?
Ice Cover32018150.36Why?
Population Dynamics120123780.36Why?
Fisheries22019570.36Why?
Computer Simulation2202049820.35Why?
Emigration and Immigration420205010.35Why?
Food Chain22017140.35Why?
Data Collection1201717690.33Why?
Solar Energy2201890.33Why?
Developing Countries3201742830.33Why?
Models, Biological2202049070.30Why?
Models, Theoretical3201866590.29Why?
Universities3201943740.28Why?
Gene Editing220183300.28Why?
Public Policy1201718940.28Why?
Public Health52021163590.27Why?
Time Factors72020313970.26Why?
Developed Countries220175000.25Why?
Cyclonic Storms220192360.25Why?
Democracy22020630.25Why?
Minor Planets2201850.24Why?
Antarctic Regions22018460.24Why?
Environment220207690.23Why?
Racism3202114620.23Why?
California2201820470.22Why?
Carbon Cycle1201920.21Why?
Space Flight12020370.21Why?
Bioterrorism120201050.21Why?
Introduced Species12019130.20Why?
Extreme Heat12019190.20Why?
Biomedical Research5202152700.20Why?
Water Movements1201890.20Why?
Solar System1201840.20Why?
Sulfur12019210.20Why?
Animals122019789310.20Why?
Volcanic Eruptions1201870.20Why?
Forensic Genetics12018130.20Why?
Southwestern United States12018270.19Why?
China82020506540.19Why?
Censorship, Research1201880.19Why?
Africa2201929860.19Why?
Saccharum1201860.19Why?
Oil and Gas Fields1201830.19Why?
Sulfur Dioxide12018990.19Why?
Freezing120181060.19Why?
Neanderthals12018670.19Why?
Madagascar120191970.19Why?
World Health Organization3202042130.18Why?
United States Department of Agriculture12018410.18Why?
Plutonium1201740.18Why?
Vitrification12017220.18Why?
Carbon Footprint12018710.18Why?
Pacific Ocean12017120.18Why?
Twins120181150.18Why?
Water Pollution12018510.18Why?
Tasmania12017590.18Why?
Steel12017110.18Why?
Livestock120191840.17Why?
Technology Transfer12018610.17Why?
Wind120181440.17Why?
Congresses as Topic3201913470.17Why?
Poliovirus Vaccines12017850.17Why?
Sexual Harassment12017620.17Why?
Open Access Publishing120181160.16Why?
Pandemics720213892490.16Why?
Salaries and Fringe Benefits120191820.16Why?
Brazil32019125820.16Why?
British Columbia120185120.16Why?
Droughts12016300.16Why?
Censuses120171720.16Why?
Philippines120185680.15Why?
Economic Development120181670.15Why?
State Government120204160.15Why?
United States Food and Drug Administration2202012760.15Why?
Stress, Psychological12019102310.14Why?
Coronavirus Infections720202537890.14Why?
Graphite120183180.14Why?
Power Plants12014170.14Why?
West Indies12014480.14Why?
Biofuels12014190.14Why?
Polynesia12014620.14Why?
Conservation of Energy Resources12014210.14Why?
Earthquakes120171650.14Why?
Entrepreneurship12014250.14Why?
Measles Vaccine120173010.13Why?
Inventions120183720.13Why?
Transportation120206910.13Why?
Senegal120142830.13Why?
Cell- and Tissue-Based Therapy120174220.13Why?
Archaeology12012130.12Why?
Chile1201710950.12Why?
Geographic Information Systems120175070.12Why?
Canada2201760180.12Why?
Caves12012280.12Why?
Unemployment120197020.12Why?
Water120177650.12Why?
Washington1201717220.12Why?
Pneumonia, Viral520202436840.11Why?
History, Ancient120121410.11Why?
Art12012370.11Why?
Human Rights120196180.11Why?
Humans2220219305980.11Why?
Policy1201913720.11Why?
Coronavirus12020183390.11Why?
New York City2201674320.10Why?
Ozone120187570.10Why?
Reproducibility of Results22017113040.10Why?
Bibliometrics120187310.10Why?
Nigeria1201722920.10Why?
Housing1201711460.09Why?
Basic Reproduction Number1202026760.09Why?
Cities1202049370.09Why?
Minority Groups1201816310.09Why?
Food Supply1201610270.08Why?
Urban Population1201720000.08Why?
Seasons1201840710.08Why?
Leadership1201922410.07Why?
Iran1201854670.07Why?
Pilot Projects1201751820.07Why?
Rural Population1201724080.07Why?
Travel2202072200.07Why?
Decision Making1201831320.07Why?
Patents as Topic220172240.06Why?
Europe12020127020.06Why?
Denmark1200926540.06Why?
Fear1201736070.06Why?
South Africa1201233260.06Why?
Risk Assessment22018254390.06Why?
Social Isolation1202059320.05Why?
Oxygen1201337150.05Why?
Intellectual Property12020760.05Why?
Algorithms1201773460.05Why?
Hybridization, Genetic12018120.05Why?
Paleontology12018120.05Why?
Electric Conductivity12018460.05Why?
Stars, Celestial1201750.05Why?
Saturn1201750.05Why?
Planets1201790.05Why?
Gravitation12017200.05Why?
Embryo Research12017180.05Why?
Synchrotrons12017570.04Why?
Chimera12017830.04Why?
Jupiter1201710.04Why?
Pedigree120185020.04Why?
Quantum Theory120171690.04Why?
India12014118750.04Why?
Severe Acute Respiratory Syndrome12020123610.04Why?
Personal Protective Equipment12020159780.04Why?
Plastics120184630.04Why?
Genes12013500.03Why?
Hominidae12013230.03Why?
Stem Cell Research12013160.03Why?
Fossils12013320.03Why?
Clustered Regularly Interspaced Short Palindromic Repeats120186240.03Why?
European Union120175650.03Why?
Texas1201912370.03Why?
Clinical Laboratory Techniques12020234020.03Why?
Reproductive Techniques, Assisted120174000.03Why?
Leukemia120175980.03Why?
Anxiety12018173110.03Why?
Neurosciences120131480.03Why?
Genome-Wide Association Study1201716480.03Why?
Poliomyelitis120132630.02Why?
Surveys and Questionnaires12017437920.02Why?
Commerce1201911090.02Why?
Influenza A Virus, H7N9 Subtype120134150.02Why?
Swine1201733520.02Why?
Drug Approval1201713250.02Why?
Disease Eradication120135810.02Why?
History, 21st Century1201318490.02Why?
Betacoronavirus220202044540.02Why?
Male320193677250.02Why?
Female320193803170.02Why?
Machine Learning1201743950.01Why?
Contact Tracing1202084480.01Why?
Viral Vaccines1202075600.01Why?
United Kingdom12017180460.01Why?
Child12017700120.01Why?
HIV Infections12013116200.01Why?
Young Adult12017937240.00Why?
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Concepts (295)
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