Rankings for Scientist

University, Subject, Country, Region, World

International Institute for Applied Systems Analysis Scientists Rankings 2024

Country

Total 116 scientist, 1 country, 1 institution

List without CERN, Statistical Data etc.

Sort by last 6 years H Index

Keywan Riahi ⁱ

Best Scientist in University/Institution

International Institute for Applied Systems Analysis

Austria

Engineering & Technology / Environmental Science & Engineering

climate change

energy economics

integrated assessment

technological change

sustainable development

H-Index Rankings

University / Institution:

# 1

Country:

# 18

Region:

# 1,559

World:

# 4,582

H-Index

Total:

116

Last 6 Year:

Last 6 Year/Total:

0.784

i10 Index

Total:

273

Last 6 Year:

229

Last 6 Year/Total:

0.839

Citation

Total:

117,905

Last 6 Year:

68,141

Last 6 Year/Total:

0.578

Michael Obersteiner

International Institute for Applied Systems Analysis

Austria

Economics & Econometrics / Environmental Economics

Biodiversity

Food Security

Sustainability

Environmental Economics

Land-Use Modeling

H-Index Rankings

University / Institution:

# 2

Country:

# 26

Region:

# 2,200

World:

# 6,503

H-Index

Total:

106

Last 6 Year:

Last 6 Year/Total:

0.774

i10 Index

Total:

282

Last 6 Year:

222

Last 6 Year/Total:

0.787

Citation

Total:

44,503

Last 6 Year:

28,284

Last 6 Year/Total:

0.636

Yoshihide Wada

International Institute for Applied Systems Analysis

Austria

Engineering & Technology / Civil Engineering

Hydrology

Groundwater

Environment

Agriculture

Systems Science

H-Index Rankings

University / Institution:

# 3

Country:

# 37

Region:

# 2,736

World:

# 8,090

H-Index

Total:

100

Last 6 Year:

Last 6 Year/Total:

0.910

i10 Index

Total:

199

Last 6 Year:

194

Last 6 Year/Total:

0.975

Citation

Total:

40,064

Last 6 Year:

30,989

Last 6 Year/Total:

0.773

Petr Havlik

International Institute for Applied Systems Analysis

Austria

Others

H-Index Rankings

University / Institution:

# 4

Country:

# 60

Region:

# 3,878

World:

# 11,541

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.890

i10 Index

Total:

194

Last 6 Year:

182

Last 6 Year/Total:

0.938

Citation

Total:

38,117

Last 6 Year:

28,791

Last 6 Year/Total:

0.755

Zbigniew Klimont

International Institute for Applied Systems Analysis

Austria

Engineering & Technology / Environmental Science & Engineering

Air quality

Climate

Energy

H-Index Rankings

University / Institution:

# 5

Country:

# 70

Region:

# 4,555

World:

# 13,601

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.770

i10 Index

Total:

218

Last 6 Year:

156

Last 6 Year/Total:

0.716

Citation

Total:

55,074

Last 6 Year:

29,365

Last 6 Year/Total:

0.533

Linda See

International Institute for Applied Systems Analysis

Austria

Others

H-Index Rankings

University / Institution:

# 6

Country:

# 106

Region:

# 7,374

World:

# 21,753

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.776

i10 Index

Total:

215

Last 6 Year:

170

Last 6 Year/Total:

0.791

Citation

Total:

19,890

Last 6 Year:

12,229

Last 6 Year/Total:

0.615

Steffen Fritz

International Institute for Applied Systems Analysis

Austria

Others

land cover

food security

GIS

remote sensing

crowdsourcing

H-Index Rankings

University / Institution:

# 7

Country:

# 113

Region:

# 7,686

World:

# 22,711

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.747

i10 Index

Total:

177

Last 6 Year:

146

Last 6 Year/Total:

0.825

Citation

Total:

20,065

Last 6 Year:

11,974

Last 6 Year/Total:

0.597

Markus Amann

International Institute for Applied Systems Analysis

Austria

Others

H-Index Rankings

University / Institution:

# 8

Country:

# 129

Region:

# 8,671

World:

# 25,363

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.562

i10 Index

Total:

203

Last 6 Year:

Last 6 Year/Total:

0.483

Citation

Total:

43,024

Last 6 Year:

19,725

Last 6 Year/Total:

0.458

Pavel Kabat

International Institute for Applied Systems Analysis

Austria

Others

H-Index Rankings

University / Institution:

# 9

Country:

# 139

Region:

# 9,020

World:

# 26,400

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.625

i10 Index

Total:

150

Last 6 Year:

Last 6 Year/Total:

0.647

Citation

Total:

26,293

Last 6 Year:

9,527

Last 6 Year/Total:

0.362

Wolfgang Lutz

International Institute for Applied Systems Analysis

Austria

Social Sciences / Demography

Demography

Population

Human Capital

H-Index Rankings

University / Institution:

# 10

Country:

# 168

Region:

# 10,286

World:

# 30,088

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.667

i10 Index

Total:

220

Last 6 Year:

105

Last 6 Year/Total:

0.477

Citation

Total:

26,376

Last 6 Year:

12,331

Last 6 Year/Total:

0.468

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Reinhard Mechler

International Institute for Applied Systems Analysis

Austria

Economics & Econometrics / Economics

Socio-economics of risk management and climate adaptation

H-Index Rankings

University / Institution:

# 11

Country:

# 277

Region:

# 17,340

World:

# 50,146

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.759

i10 Index

Total:

140

Last 6 Year:

Last 6 Year/Total:

0.679

Citation

Total:

16,383

Last 6 Year:

9,904

Last 6 Year/Total:

0.605

Shonali Pachauri

International Institute for Applied Systems Analysis

Austria

Economics & Econometrics / Economics

Energy economics

Energy and development

Energy Policy

H-Index Rankings

University / Institution:

# 12

Country:

# 301

Region:

# 19,046

World:

# 54,802

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.875

i10 Index

Total:

100

Last 6 Year:

Last 6 Year/Total:

0.900

Citation

Total:

15,137

Last 6 Year:

9,405

Last 6 Year/Total:

0.621

Michael Thompson

International Institute for Applied Systems Analysis

Austria

Others

cultural theory

rubbish theory

H-Index Rankings

University / Institution:

# 13

Country:

# 381

Region:

# 23,416

World:

# 66,668

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.415

i10 Index

Total:

126

Last 6 Year:

Last 6 Year/Total:

0.421

Citation

Total:

15,659

Last 6 Year:

3,187

Last 6 Year/Total:

0.204

Piero Visconti

International Institute for Applied Systems Analysis

Austria

Others

Conservation Biology

H-Index Rankings

University / Institution:

# 14

Country:

# 404

Region:

# 24,848

World:

# 70,611

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.882

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.953

Citation

Total:

13,759

Last 6 Year:

10,528

Last 6 Year/Total:

0.765

Pallav Purohit

International Institute for Applied Systems Analysis

Austria

Engineering & Technology / Meteorology & Atmospheric Sciences

Energy Economics

Air Pollution

Fluorinated Greenhouse Gases

Climate Change Mitigation

Short-lived Climate Forcers (SLCPs)

H-Index Rankings

University / Institution:

# 15

Country:

# 441

Region:

# 26,680

World:

# 75,734

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.680

i10 Index

Total:

122

Last 6 Year:

Last 6 Year/Total:

0.811

Citation

Total:

9,950

Last 6 Year:

6,420

Last 6 Year/Total:

0.645

Fabian Wagner

International Institute for Applied Systems Analysis

Austria

Others

H-Index Rankings

University / Institution:

# 16

Country:

# 516

Region:

# 31,167

World:

# 87,879

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.766

i10 Index

Total:

108

Last 6 Year:

Last 6 Year/Total:

0.694

Citation

Total:

9,098

Last 6 Year:

5,949

Last 6 Year/Total:

0.654

Bas J. Van Ruijven

International Institute for Applied Systems Analysis

Austria

Engineering & Technology / Environmental Science & Engineering

Integrated Assessment Modeling

Climate Change

Energy Demand

Macro Energy Systems

Energy

H-Index Rankings

University / Institution:

# 17

Country:

# 578

Region:

# 34,658

World:

# 97,370

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.800

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.904

Citation

Total:

11,341

Last 6 Year:

7,301

Last 6 Year/Total:

0.644

Jinfeng Chang

International Institute for Applied Systems Analysis

Austria

Engineering & Technology / Environmental Science & Engineering

Grassland management

Climate change

Agriculture

Biogeochemical cycle

Land-use change

H-Index Rankings

University / Institution:

# 18

Country:

# 594

Region:

# 36,374

World:

# 101,846

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.909

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.975

Citation

Total:

7,114

Last 6 Year:

6,171

Last 6 Year/Total:

0.867

Albert Van Jaarsveld

International Institute for Applied Systems Analysis

Austria

Others

Biodiversity

conservation

climate change

H-Index Rankings

University / Institution:

# 19

Country:

# 621

Region:

# 38,242

World:

# 106,728

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.432

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.333

Citation

Total:

17,751

Last 6 Year:

4,209

Last 6 Year/Total:

0.237

Stefan Hochrainer-Stigler

International Institute for Applied Systems Analysis

Austria

Others

H-Index Rankings

University / Institution:

# 20

Country:

# 739

Region:

# 45,668

World:

# 127,173

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.825

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.814

Citation

Total:

6,242

Last 6 Year:

3,788

Last 6 Year/Total:

0.607

Sergei Scherbov

International Institute for Applied Systems Analysis

Austria

Others

formal demography

aging

population forecasting

demography

H-Index Rankings

University / Institution:

# 21

Country:

# 810

Region:

# 49,814

World:

# 138,254

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.615

i10 Index

Total:

103

Last 6 Year:

Last 6 Year/Total:

0.515

Citation

Total:

9,625

Last 6 Year:

3,189

Last 6 Year/Total:

0.331

Stefan Frank

International Institute for Applied Systems Analysis

Austria

Engineering & Technology / Environmental Science & Engineering

Land-use Modelling

Climate Change Mitigation

Food Security

Sustainable Development

H-Index Rankings

University / Institution:

# 22

Country:

# 829

Region:

# 51,018

World:

# 141,657

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.895

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.980

Citation

Total:

8,490

Last 6 Year:

7,377

Last 6 Year/Total:

0.869

Oliver Fricko

International Institute for Applied Systems Analysis

Austria

Others

H-Index Rankings

University / Institution:

# 23

Country:

# 868

Region:

# 53,871

World:

# 149,110

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

1.000

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

1.000

Citation

Total:

14,316

Last 6 Year:

12,991

Last 6 Year/Total:

0.907

Peter Burek

International Institute for Applied Systems Analysis

Austria

Engineering & Technology / Civil Engineering

Hydrology

Hydrological Modelling

Water Cycle

H-Index Rankings

University / Institution:

# 24

Country:

# 913

Region:

# 57,140

World:

# 158,055

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.972

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.898

Citation

Total:

6,181

Last 6 Year:

5,043

Last 6 Year/Total:

0.816

Edward Byers

International Institute for Applied Systems Analysis

Austria

Others

water-energy nexus

climate impacts

infrastructure systems

H-Index Rankings

University / Institution:

# 25

Country:

# 914

Region:

# 57,265

World:

# 158,564

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.917

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.961

Citation

Total:

8,631

Last 6 Year:

8,207

Last 6 Year/Total:

0.951

Lena Höglund Isaksson

International Institute for Applied Systems Analysis

Austria

Others

Mitigation of non-CO2 greenhouse gases

in particular methane

H-Index Rankings

University / Institution:

# 26

Country:

# 926

Region:

# 58,024

World:

# 160,837

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.778

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.778

Citation

Total:

10,478

Last 6 Year:

7,464

Last 6 Year/Total:

0.712

Sylvain Leduc

International Institute for Applied Systems Analysis

Austria

Others

H-Index Rankings

University / Institution:

# 27

Country:

# 928

Region:

# 58,050

World:

# 160,891

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.778

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.833

Citation

Total:

5,415

Last 6 Year:

3,017

Last 6 Year/Total:

0.557

Thomas Gasser

International Institute for Applied Systems Analysis

Austria

Engineering & Technology / Earth Sciences

Earth system

Climate change

Carbon cycle

Land-use change

H-Index Rankings

University / Institution:

# 28

Country:

# 962

Region:

# 60,620

World:

# 167,458

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.971

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.981

Citation

Total:

15,013

Last 6 Year:

13,517

Last 6 Year/Total:

0.900

Julian David Hunt

International Institute for Applied Systems Analysis

Austria

Engineering & Technology / Environmental Science & Engineering

Energy Storage

Hydropower

Climate Change

Renewable Energies

Water Management

H-Index Rankings

University / Institution:

# 29

Country:

# 1,019

Region:

# 65,038

World:

# 179,650

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.824

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.910

Citation

Total:

3,769

Last 6 Year:

3,176

Last 6 Year/Total:

0.843

Anne Goujon

International Institute for Applied Systems Analysis

Austria

Social Sciences / Demography

Demography

Education

Religion

H-Index Rankings

University / Institution:

# 30

Country:

# 1,023

Region:

# 65,213

World:

# 180,178

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.794

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.684

Citation

Total:

5,372

Last 6 Year:

2,360

Last 6 Year/Total:

0.439

A New and Different Feature!!!! University Subject Rankings in 12 subjects:

Ranking and analysis of universities by subject in 12 fields such as health, engineering, natural sciences, education, business, economics, social sciences, etc.

Peter Rafaj

International Institute for Applied Systems Analysis

Austria

Engineering & Technology / Environmental Science & Engineering

air pollution

energy modelling

climate

H-Index Rankings

University / Institution:

# 31

Country:

# 1,081

Region:

# 69,019

World:

# 190,619

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.818

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.631

Citation

Total:

9,399

Last 6 Year:

6,109

Last 6 Year/Total:

0.650

Jens Borken-Kleefeld

International Institute for Applied Systems Analysis

Austria

Others

Vehicle emissions

remote sensing

sustainable mobility

H-Index Rankings

University / Institution:

# 32

Country:

# 1,097

Region:

# 69,713

World:

# 192,477

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.758

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.778

Citation

Total:

5,118

Last 6 Year:

2,880

Last 6 Year/Total:

0.563

Myroslava Lesiv

International Institute for Applied Systems Analysis

Austria

Others

environmental monitoring

mathematical modeling

remote sensing

land cover/land use

H-Index Rankings

University / Institution:

# 33

Country:

# 1,134

Region:

# 72,604

World:

# 200,207

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.938

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.917

Citation

Total:

3,884

Last 6 Year:

3,586

Last 6 Year/Total:

0.923

Nicklas Forsell

International Institute for Applied Systems Analysis

Austria

Others

H-Index Rankings

University / Institution:

# 34

Country:

# 1,144

Region:

# 72,857

World:

# 201,092

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.875

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.879

Citation

Total:

4,374

Last 6 Year:

3,416

Last 6 Year/Total:

0.781

Matthew Gidden

International Institute for Applied Systems Analysis

Austria

Others

Integrated Assessment Modeling

Energy Systems

Sustainable Development

Carbon Dioxide Removal

H-Index Rankings

University / Institution:

# 35

Country:

# 1,208

Region:

# 77,003

World:

# 211,873

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

1.000

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.956

Citation

Total:

7,327

Last 6 Year:

7,042

Last 6 Year/Total:

0.961

Gregor Kiesewetter

International Institute for Applied Systems Analysis

Austria

Engineering & Technology / Environmental Science & Engineering

air pollution

climate change

atmospheric science

H-Index Rankings

University / Institution:

# 36

Country:

# 1,212

Region:

# 77,355

World:

# 213,267

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.903

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.843

Citation

Total:

9,714

Last 6 Year:

8,981

Last 6 Year/Total:

0.925

Geoff Clarke

International Institute for Applied Systems Analysis

Austria

H-Index Rankings

University / Institution:

# 37

Country:

# 1,253

Region:

# 81,666

World:

# 224,604

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.419

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.326

Citation

Total:

4,114

Last 6 Year:

498

Last 6 Year/Total:

0.121

Behnam Zakeri

International Institute for Applied Systems Analysis

Austria

Engineering & Technology / Environmental Science & Engineering

Energy Storage

Energy Systems Analysis

Data Aanalytics and Energy Transitions

Economics of Climate Change

Energy and Sustain

H-Index Rankings

University / Institution:

# 38

Country:

# 1,257

Region:

# 82,079

World:

# 226,032

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.933

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.961

Citation

Total:

5,089

Last 6 Year:

4,249

Last 6 Year/Total:

0.835

Aline Mosnier

International Institute for Applied Systems Analysis

Austria

Agriculture & Forestry / Agricultural Economics

Agricultural economics

Land use change

Partial equilibrium model

Deforestation

REDD+

H-Index Rankings

University / Institution:

# 39

Country:

# 1,266

Region:

# 82,974

World:

# 228,833

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.833

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.930

Citation

Total:

6,616

Last 6 Year:

3,961

Last 6 Year/Total:

0.599

Leen Hordijk

International Institute for Applied Systems Analysis

Austria

Others

Integrated environmental modelling

H-Index Rankings

University / Institution:

# 40

Country:

# 1,328

Region:

# 86,883

World:

# 238,880

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.333

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.231

Citation

Total:

4,124

Last 6 Year:

451

Last 6 Year/Total:

0.109

Daniel Huppmann

International Institute for Applied Systems Analysis

Austria

Economics & Econometrics / Economics

energy economics

sustainable development

integrated assessment

optimization and equilibrium modelling

H-Index Rankings

University / Institution:

# 41

Country:

# 1,336

Region:

# 87,269

World:

# 240,389

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.931

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.909

Citation

Total:

7,218

Last 6 Year:

6,669

Last 6 Year/Total:

0.924

Samir KC

International Institute for Applied Systems Analysis

Austria

Others

Population Projections and Statistics

H-Index Rankings

University / Institution:

# 42

Country:

# 1,370

Region:

# 89,216

World:

# 246,036

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.759

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.727

Citation

Total:

9,869

Last 6 Year:

6,982

Last 6 Year/Total:

0.707

Oskar Franklin

International Institute for Applied Systems Analysis

Austria

Natural Sciences / Biological Science

ecology

forest

modeling

soil

H-Index Rankings

University / Institution:

# 43

Country:

# 1,466

Region:

# 94,692

World:

# 260,947

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.786

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.927

Citation

Total:

4,005

Last 6 Year:

2,451

Last 6 Year/Total:

0.612

Peter Greve

International Institute for Applied Systems Analysis

Austria

Engineering & Technology / Earth Sciences

Geosciences

H-Index Rankings

University / Institution:

# 44

Country:

# 1,520

Region:

# 98,790

World:

# 271,604

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.963

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.943

Citation

Total:

6,342

Last 6 Year:

5,577

Last 6 Year/Total:

0.879

David Leclère

International Institute for Applied Systems Analysis

Austria

Others

H-Index Rankings

University / Institution:

# 45

Country:

# 1,526

Region:

# 99,137

World:

# 272,759

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.926

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.969

Citation

Total:

4,096

Last 6 Year:

3,765

Last 6 Year/Total:

0.919

Amanda Palazzo

International Institute for Applied Systems Analysis

Austria

Others

H-Index Rankings

University / Institution:

# 46

Country:

# 1,570

Region:

# 101,640

World:

# 279,872

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.741

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.861

Citation

Total:

5,385

Last 6 Year:

2,818

Last 6 Year/Total:

0.523

Marek Makowski

International Institute for Applied Systems Analysis

Austria

Natural Sciences / Mathematical Sciences

mathematical modeling

optimization

multiple-criteria analysis

H-Index Rankings

University / Institution:

# 47

Country:

# 1,609

Region:

# 104,752

World:

# 287,491

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.407

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.179

Citation

Total:

2,861

Last 6 Year:

543

Last 6 Year/Total:

0.190

Nils Johnson

International Institute for Applied Systems Analysis

Austria

Others

Energy Systems Modeling

Spatial Modeling

Low Carbon Transitions

Emerging Energy Technologies

H-Index Rankings

University / Institution:

# 48

Country:

# 1,638

Region:

# 106,715

World:

# 293,805

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.846

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.824

Citation

Total:

4,242

Last 6 Year:

2,962

Last 6 Year/Total:

0.698

Florian Hofhansl

International Institute for Applied Systems Analysis

Austria

Natural Sciences / Biological Science

Biodiversity

Ecology

Plant functional traits

H-Index Rankings

University / Institution:

# 49

Country:

# 1,715

Region:

# 112,203

World:

# 308,234

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.960

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.900

Citation

Total:

3,715

Last 6 Year:

3,021

Last 6 Year/Total:

0.813

Wei Liu

International Institute for Applied Systems Analysis

Austria

Others

systems analysis

sustainability transition

ecosystem

resilience

soft systems modelling

H-Index Rankings

University / Institution:

# 50

Country:

# 1,739

Region:

# 113,309

World:

# 311,902

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.880

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.939

Citation

Total:

2,812

Last 6 Year:

1,886

Last 6 Year/Total:

0.671

				AD Scientific Index - World Scientists Rankings - 2024				H INDEX			i10 INDEX			CITATION
University / Institution	Country	Region	World	Name	Country	University / Institution	Subject	Total	Last 6 year	Last 6 year/total	Total	Last 6 year	Last 6 year/total	Total	Last 6 year	Last 6 year/total
1	18	1,559	4,582	Keywan Riahi ⁱ	Austria	International Institute for Applied Systems Analysis	Engineering & Technology / Environmental Science & Engineering climate change \| energy economics \| integrated assessment \| technological change \| sustainable development \|	116	91	0.784	273	229	0.839	117,905	68,141	0.578
2	26	2,200	6,503	Michael Obersteiner	Austria	International Institute for Applied Systems Analysis	Economics & Econometrics / Environmental Economics Biodiversity \| Food Security \| Sustainability \| Environmental Economics \| Land-Use Modeling \|	106	82	0.774	282	222	0.787	44,503	28,284	0.636
3	37	2,736	8,090	Yoshihide Wada	Austria	International Institute for Applied Systems Analysis	Engineering & Technology / Civil Engineering Hydrology \| Groundwater \| Environment \| Agriculture \| Systems Science \|	100	91	0.910	199	194	0.975	40,064	30,989	0.773
4	60	3,878	11,541	Petr Havlik	Austria	International Institute for Applied Systems Analysis	Others	91	81	0.890	194	182	0.938	38,117	28,791	0.755
5	70	4,555	13,601	Zbigniew Klimont	Austria	International Institute for Applied Systems Analysis	Engineering & Technology / Environmental Science & Engineering Air quality \| Climate \| Energy \|	87	67	0.770	218	156	0.716	55,074	29,365	0.533
6	106	7,374	21,753	Linda See	Austria	International Institute for Applied Systems Analysis	Others	76	59	0.776	215	170	0.791	19,890	12,229	0.615
7	113	7,686	22,711	Steffen Fritz	Austria	International Institute for Applied Systems Analysis	Others land cover \| food security \| GIS \| remote sensing \| crowdsourcing \|	75	56	0.747	177	146	0.825	20,065	11,974	0.597
8	129	8,671	25,363	Markus Amann	Austria	International Institute for Applied Systems Analysis	Others	73	41	0.562	203	98	0.483	43,024	19,725	0.458
9	139	9,020	26,400	Pavel Kabat	Austria	International Institute for Applied Systems Analysis	Others	72	45	0.625	150	97	0.647	26,293	9,527	0.362
10	168	10,286	30,088	Wolfgang Lutz	Austria	International Institute for Applied Systems Analysis	Social Sciences / Demography Demography \| Population \| Human Capital \|	69	46	0.667	220	105	0.477	26,376	12,331	0.468
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11	277	17,340	50,146	Reinhard Mechler	Austria	International Institute for Applied Systems Analysis	Economics & Econometrics / Economics Socio-economics of risk management and climate adaptation \|	58	44	0.759	140	95	0.679	16,383	9,904	0.605
12	301	19,046	54,802	Shonali Pachauri	Austria	International Institute for Applied Systems Analysis	Economics & Econometrics / Economics Energy economics \| Energy and development \| Energy Policy \|	56	49	0.875	100	90	0.900	15,137	9,405	0.621
13	381	23,416	66,668	Michael Thompson	Austria	International Institute for Applied Systems Analysis	Others cultural theory \| rubbish theory \|	53	22	0.415	126	53	0.421	15,659	3,187	0.204
14	404	24,848	70,611	Piero Visconti	Austria	International Institute for Applied Systems Analysis	Others Conservation Biology \|	51	45	0.882	86	82	0.953	13,759	10,528	0.765
15	441	26,680	75,734	Pallav Purohit	Austria	International Institute for Applied Systems Analysis	Engineering & Technology / Meteorology & Atmospheric Sciences Energy Economics \| Air Pollution \| Fluorinated Greenhouse Gases \| Climate Change Mitigation \| Short-lived Climate Forcers (SLCPs) \|	50	34	0.680	122	99	0.811	9,950	6,420	0.645
16	516	31,167	87,879	Fabian Wagner	Austria	International Institute for Applied Systems Analysis	Others	47	36	0.766	108	75	0.694	9,098	5,949	0.654
17	578	34,658	97,370	Bas J. Van Ruijven	Austria	International Institute for Applied Systems Analysis	Engineering & Technology / Environmental Science & Engineering Integrated Assessment Modeling \| Climate Change \| Energy Demand \| Macro Energy Systems \| Energy \|	45	36	0.800	73	66	0.904	11,341	7,301	0.644
18	594	36,374	101,846	Jinfeng Chang	Austria	International Institute for Applied Systems Analysis	Engineering & Technology / Environmental Science & Engineering Grassland management \| Climate change \| Agriculture \| Biogeochemical cycle \| Land-use change \|	44	40	0.909	80	78	0.975	7,114	6,171	0.867
19	621	38,242	106,728	Albert Van Jaarsveld	Austria	International Institute for Applied Systems Analysis	Others Biodiversity \| conservation \| climate change \|	44	19	0.432	90	30	0.333	17,751	4,209	0.237
20	739	45,668	127,173	Stefan Hochrainer-Stigler	Austria	International Institute for Applied Systems Analysis	Others	40	33	0.825	97	79	0.814	6,242	3,788	0.607
21	810	49,814	138,254	Sergei Scherbov	Austria	International Institute for Applied Systems Analysis	Others formal demography \| aging \| population forecasting \| demography \|	39	24	0.615	103	53	0.515	9,625	3,189	0.331
22	829	51,018	141,657	Stefan Frank	Austria	International Institute for Applied Systems Analysis	Engineering & Technology / Environmental Science & Engineering Land-use Modelling \| Climate Change Mitigation \| Food Security \| Sustainable Development \|	38	34	0.895	50	49	0.980	8,490	7,377	0.869
23	868	53,871	149,110	Oliver Fricko	Austria	International Institute for Applied Systems Analysis	Others	37	37	1.000	47	47	1.000	14,316	12,991	0.907
24	913	57,140	158,055	Peter Burek	Austria	International Institute for Applied Systems Analysis	Engineering & Technology / Civil Engineering Hydrology \| Hydrological Modelling \| Water Cycle \|	36	35	0.972	49	44	0.898	6,181	5,043	0.816
25	914	57,265	158,564	Edward Byers	Austria	International Institute for Applied Systems Analysis	Others water-energy nexus \| climate impacts \| infrastructure systems \|	36	33	0.917	51	49	0.961	8,631	8,207	0.951
26	926	58,024	160,837	Lena Höglund Isaksson	Austria	International Institute for Applied Systems Analysis	Others Mitigation of non-CO2 greenhouse gases \| in particular methane \|	36	28	0.778	63	49	0.778	10,478	7,464	0.712
27	928	58,050	160,891	Sylvain Leduc	Austria	International Institute for Applied Systems Analysis	Others	36	28	0.778	60	50	0.833	5,415	3,017	0.557
28	962	60,620	167,458	Thomas Gasser	Austria	International Institute for Applied Systems Analysis	Engineering & Technology / Earth Sciences Earth system \| Climate change \| Carbon cycle \| Land-use change \|	35	34	0.971	52	51	0.981	15,013	13,517	0.900
29	1,019	65,038	179,650	Julian David Hunt	Austria	International Institute for Applied Systems Analysis	Engineering & Technology / Environmental Science & Engineering Energy Storage \| Hydropower \| Climate Change \| Renewable Energies \| Water Management \|	34	28	0.824	67	61	0.910	3,769	3,176	0.843
30	1,023	65,213	180,178	Anne Goujon	Austria	International Institute for Applied Systems Analysis	Social Sciences / Demography Demography \| Education \| Religion \|	34	27	0.794	79	54	0.684	5,372	2,360	0.439
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31	1,081	69,019	190,619	Peter Rafaj	Austria	International Institute for Applied Systems Analysis	Engineering & Technology / Environmental Science & Engineering air pollution \| energy modelling \| climate \|	33	27	0.818	65	41	0.631	9,399	6,109	0.650
32	1,097	69,713	192,477	Jens Borken-Kleefeld	Austria	International Institute for Applied Systems Analysis	Others Vehicle emissions \| remote sensing \| sustainable mobility \|	33	25	0.758	54	42	0.778	5,118	2,880	0.563
33	1,134	72,604	200,207	Myroslava Lesiv	Austria	International Institute for Applied Systems Analysis	Others environmental monitoring \| mathematical modeling \| remote sensing \| land cover/land use \|	32	30	0.938	48	44	0.917	3,884	3,586	0.923
34	1,144	72,857	201,092	Nicklas Forsell	Austria	International Institute for Applied Systems Analysis	Others	32	28	0.875	66	58	0.879	4,374	3,416	0.781
35	1,208	77,003	211,873	Matthew Gidden	Austria	International Institute for Applied Systems Analysis	Others Integrated Assessment Modeling \| Energy Systems \| Sustainable Development \| Carbon Dioxide Removal \|	31	31	1.000	45	43	0.956	7,327	7,042	0.961
36	1,212	77,355	213,267	Gregor Kiesewetter	Austria	International Institute for Applied Systems Analysis	Engineering & Technology / Environmental Science & Engineering air pollution \| climate change \| atmospheric science \|	31	28	0.903	51	43	0.843	9,714	8,981	0.925
37	1,253	81,666	224,604	Geoff Clarke	Austria	International Institute for Applied Systems Analysis		31	13	0.419	46	15	0.326	4,114	498	0.121
38	1,257	82,079	226,032	Behnam Zakeri	Austria	International Institute for Applied Systems Analysis	Engineering & Technology / Environmental Science & Engineering Energy Storage \| Energy Systems Analysis \| Data Aanalytics and Energy Transitions \| Economics of Climate Change \| Energy and Sustain \|	30	28	0.933	51	49	0.961	5,089	4,249	0.835
39	1,266	82,974	228,833	Aline Mosnier	Austria	International Institute for Applied Systems Analysis	Agriculture & Forestry / Agricultural Economics Agricultural economics \| Land use change \| Partial equilibrium model \| Deforestation \| REDD+ \|	30	25	0.833	43	40	0.930	6,616	3,961	0.599
40	1,328	86,883	238,880	Leen Hordijk	Austria	International Institute for Applied Systems Analysis	Others Integrated environmental modelling \|	30	10	0.333	52	12	0.231	4,124	451	0.109
41	1,336	87,269	240,389	Daniel Huppmann	Austria	International Institute for Applied Systems Analysis	Economics & Econometrics / Economics energy economics \| sustainable development \| integrated assessment \| optimization and equilibrium modelling \|	29	27	0.931	44	40	0.909	7,218	6,669	0.924
42	1,370	89,216	246,036	Samir KC	Austria	International Institute for Applied Systems Analysis	Others Population Projections and Statistics \|	29	22	0.759	44	32	0.727	9,869	6,982	0.707
43	1,466	94,692	260,947	Oskar Franklin	Austria	International Institute for Applied Systems Analysis	Natural Sciences / Biological Science ecology \| forest \| modeling \| soil \|	28	22	0.786	41	38	0.927	4,005	2,451	0.612
44	1,520	98,790	271,604	Peter Greve	Austria	International Institute for Applied Systems Analysis	Engineering & Technology / Earth Sciences Geosciences \|	27	26	0.963	35	33	0.943	6,342	5,577	0.879
45	1,526	99,137	272,759	David Leclère	Austria	International Institute for Applied Systems Analysis	Others	27	25	0.926	32	31	0.969	4,096	3,765	0.919
46	1,570	101,640	279,872	Amanda Palazzo	Austria	International Institute for Applied Systems Analysis	Others	27	20	0.741	36	31	0.861	5,385	2,818	0.523
47	1,609	104,752	287,491	Marek Makowski	Austria	International Institute for Applied Systems Analysis	Natural Sciences / Mathematical Sciences mathematical modeling \| optimization \| multiple-criteria analysis \|	27	11	0.407	67	12	0.179	2,861	543	0.190
48	1,638	106,715	293,805	Nils Johnson	Austria	International Institute for Applied Systems Analysis	Others Energy Systems Modeling \| Spatial Modeling \| Low Carbon Transitions \| Emerging Energy Technologies \|	26	22	0.846	34	28	0.824	4,242	2,962	0.698
49	1,715	112,203	308,234	Florian Hofhansl	Austria	International Institute for Applied Systems Analysis	Natural Sciences / Biological Science Biodiversity \| Ecology \| Plant functional traits \|	25	24	0.960	40	36	0.900	3,715	3,021	0.813
50	1,739	113,309	311,902	Wei Liu	Austria	International Institute for Applied Systems Analysis	Others systems analysis \| sustainability transition \| ecosystem \| resilience \| soft systems modelling \|	25	22	0.880	33	31	0.939	2,812	1,886	0.671