Kari Luojus

3.8k total citations · 2 hit papers
73 papers, 1.9k citations indexed

About

Kari Luojus is a scholar working on Atmospheric Science, Environmental Engineering and Global and Planetary Change. According to data from OpenAlex, Kari Luojus has authored 73 papers receiving a total of 1.9k indexed citations (citations by other indexed papers that have themselves been cited), including 70 papers in Atmospheric Science, 14 papers in Environmental Engineering and 10 papers in Global and Planetary Change. Recurrent topics in Kari Luojus's work include Cryospheric studies and observations (68 papers), Climate change and permafrost (49 papers) and Arctic and Antarctic ice dynamics (29 papers). Kari Luojus is often cited by papers focused on Cryospheric studies and observations (68 papers), Climate change and permafrost (49 papers) and Arctic and Antarctic ice dynamics (29 papers). Kari Luojus collaborates with scholars based in Finland, Canada and China. Kari Luojus's co-authors include Jouni Pulliainen, Juha Lemmetyinen, Matias Takala, Chris Derksen, J. Koskinen, Bojan Bojkov, Sari Metsämäki, Juha-Petri Kärnä, Lawrence Mudryk and Juval Cohen and has published in prestigious journals such as Nature, Remote Sensing of Environment and IEEE Transactions on Geoscience and Remote Sensing.

In The Last Decade

Kari Luojus

67 papers receiving 1.8k citations

Hit Papers

Estimating northern hemisphere snow water equivalent for ... 2011 2026 2016 2021 2011 2020 100 200 300 400
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Estimating northern hemisphere snow water equivalent for climate research through assimilation of space-borne radiometer data and ground-based measurements
    2011 453 citations Matias Takala, Kari Luojus et al. Remote Sensing of Environment profile →
  2. Patterns and trends of Northern Hemisphere snow mass from 1980 to 2018
    2020 275 citations Jouni Pulliainen, Kari Luojus et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Kari Luojus Finland 20 1.7k 488 293 269 211 73 1.9k
Matias Takala Finland 17 1.4k 0.8× 374 0.8× 275 0.9× 223 0.8× 165 0.8× 44 1.5k
Klaus J. Bayr United States 6 1.4k 0.9× 362 0.7× 164 0.6× 213 0.8× 146 0.7× 9 1.6k
Jan Kropáček Germany 18 804 0.5× 251 0.5× 149 0.5× 150 0.6× 185 0.9× 41 1.1k
Stéphanie Faroux France 10 768 0.5× 602 1.2× 257 0.9× 297 1.1× 158 0.7× 14 1.2k
Vincent Vionnet Canada 26 2.1k 1.2× 672 1.4× 187 0.6× 380 1.4× 516 2.4× 75 2.3k
Matthias Bernhardt Austria 17 752 0.4× 407 0.8× 135 0.5× 292 1.1× 112 0.5× 33 969
Rebecca Mott Switzerland 25 1.8k 1.1× 568 1.2× 209 0.7× 421 1.6× 443 2.1× 54 1.9k
Justin R. Minder United States 24 1.4k 0.8× 1.1k 2.2× 171 0.6× 243 0.9× 106 0.5× 42 1.6k
Lawrence Mudryk Canada 17 1.4k 0.8× 775 1.6× 99 0.3× 261 1.0× 93 0.4× 33 1.7k
L. H. Pitcher United States 19 710 0.4× 343 0.7× 136 0.5× 139 0.5× 169 0.8× 38 1.1k

Countries citing papers authored by Kari Luojus

Since Specialization
Citations

This map shows the geographic impact of Kari Luojus's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Kari Luojus with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Kari Luojus more than expected).

Fields of papers citing papers by Kari Luojus

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Kari Luojus. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Kari Luojus. The network helps show where Kari Luojus may publish in the future.

Co-authorship network of co-authors of Kari Luojus

This figure shows the co-authorship network connecting the top 25 collaborators of Kari Luojus. A scholar is included among the top collaborators of Kari Luojus based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Kari Luojus. Kari Luojus is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Aalto, Tuula, Michael Buchwitz, Kari Luojus, et al.. (2025). Environmental drivers constraining the seasonal variability in satellite-observed and modelled methane at northern high latitudes. Biogeosciences. 22(19). 5193–5230.
2.
Luojus, Kari, Harri Kaartinen, Yubao Qiu, et al.. (2025). A harmonized 2000–2024 dataset of daily river ice concentration and annual phenology for major Arctic rivers. 1 indexed citations
3.
Gascoin, Simon, Kari Luojus, Thomas Nägler, et al.. (2024). Remote sensing of mountain snow from space: status and recommendations. Frontiers in Earth Science. 12. 14 indexed citations
4.
Luojus, Kari, et al.. (2023). Evaluation of passive microwave dry snow detection algorithms and application to SWE retrieval during seasonal snow accumulation. Remote Sensing of Environment. 288. 113476–113476. 8 indexed citations
5.
Luojus, Kari, et al.. (2023). Implementing spatially and temporally varying snow densities into the GlobSnow snow water equivalent retrieval. ˜The œcryosphere. 17(2). 719–736. 7 indexed citations
6.
Taniş, Cemal Melih, et al.. (2023). Use of Webcams in Support of Operational Snow Monitoring. Geosciences. 13(3). 92–92. 1 indexed citations
7.
Räisänen, Petri, et al.. (2022). Evaluation of Northern Hemisphere snow water equivalent in CMIP6 models during 1982–2014. ˜The œcryosphere. 16(3). 1007–1030. 24 indexed citations
8.
Luojus, Kari, et al.. (2021). Impact of dynamic snow density on GlobSnow snow water equivalent retrieval accuracy. ˜The œcryosphere. 15(6). 2969–2981. 28 indexed citations
9.
10.
Luojus, Kari, Jouni Pulliainen, Matias Takala, et al.. (2021). GlobSnow v3.0 Northern Hemisphere snow water equivalent dataset. Scientific Data. 8(1). 163–163. 99 indexed citations
11.
Yang, Jianwei, Lingmei Jiang, Kari Luojus, et al.. (2020). Snow depth estimation and historical data reconstruction over China based on a random forest machine learning approach. ˜The œcryosphere. 14(6). 1763–1778. 51 indexed citations
12.
Mortimer, Colleen, Lawrence Mudryk, Chris Derksen, et al.. (2020). Evaluation of long-term Northern Hemisphere snow water equivalent products. ˜The œcryosphere. 14(5). 1579–1594. 120 indexed citations
13.
Anttila, Kati, et al.. (2019). Intercomparison of Snow Melt Onset Date Estimates From Optical and Microwave Satellite Instruments Over the Northern Hemisphere for the Period 1982–2015. Journal of Geophysical Research Atmospheres. 124(21). 11205–11219. 11 indexed citations
14.
Nägler, Thomas, Gabriele Schwaizer, Helmut Rott, et al.. (2018). Towards an advanced Pan-European snow cover product from Sentinel-1 SAR and Sentinel-3 SLSTR. Zurich Open Repository and Archive (University of Zurich). 13749. 1 indexed citations
15.
Malnes, Eirik, Arild Buanes, Thomas Nägler, et al.. (2015). User requirements for the snow and land ice services – CryoLand. ˜The œcryosphere. 9(3). 1191–1202. 15 indexed citations
16.
Räisänen, Petri, Anna Luomaranta, Heikki Järvinen, et al.. (2014). Evaluation of North Eurasian snow-off dates in the ECHAM5.4 atmospheric general circulation model. Geoscientific model development. 7(6). 3037–3057. 6 indexed citations
17.
Luojus, Kari, Jouni Pulliainen, Matias Takala, et al.. (2011). ESA Globsnow - Hemispherical Snow Extent and Snow Water Equivalent Records for Climate Research Purposes. AGUFM. 2011. 1 indexed citations
18.
Luojus, Kari, Jouni Pulliainen, Matias Takala, et al.. (2010). ESA DUE Globsnow- Global Snow Database for Climate Research. ESASP. 686. 260. 5 indexed citations
19.
Solberg, Rune, et al.. (2010). A New Global Snow Extent Product. ESASP. 686. 261. 1 indexed citations
20.
Pulliainen, Jouni, Sari Metsämäki, Kari Luojus, et al.. (2005). FEASIBILITY OF ENVISAT DATA FOR THE ESTIMATION OF SNOW PACK CHARACTERISTICS AND AREAL FRACTION OF SNOW IN BOREAL FORESTS. 572. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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