Items where IIASA Author is "Perger, Christoph"

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Number of items: 74.

Article

Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Chave, J., Phillips, O.L., Lewis, S.L., Davies, S.J., Réjou-Méchain, M., Sist, P., Scipal, K., Perger, C., Herault, B., Labrière, N., Hofhansl, F. ORCID: https://orcid.org/0000-0003-0073-0946, Affum-Baffoe, K., Aleinikov, A., Alonso, A., Amani, C., Araujo-Murakami, A., Armston, J., Arroyo, L., Ascarrunz, N. et al. (2019). The Forest Observation System, building a global reference dataset for remote sensing of forest biomass. Scientific Data 6 (1), e198. 10.1038/s41597-019-0196-1.

Marshall, M., Crommelinck, S., Kohli, D., Perger, C., Yang, M.Y., Ghosh, A., Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Bie, K. & Nelson, A. (2019). Crowd-Driven and Automated Mapping of Field Boundaries in Highly Fragmented Agricultural Landscapes of Ethiopia with Very High Spatial Resolution Imagery. Remote Sensing 11 (18), e2082. 10.3390/rs11182082.

Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Lesiv, M. ORCID: https://orcid.org/0000-0001-9846-3342, Bastin, J.-F., Mollicone, D., Tsendbazar, N.-E., Bastin, L., McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Laso Bayas, J.C. ORCID: https://orcid.org/0000-0003-2844-3842, Baklanov, A. ORCID: https://orcid.org/0000-0003-1599-3618, Perger, Ch., Dürauer, M. & Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549 (2019). Recent Advances in Forest Observation with Visual Interpretation of Very High-Resolution Imagery. Surveys in Geophysics 40 (4), 839-862. 10.1007/s10712-019-09533-z.

Foody, G., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Moorthy, I., Perger, C., Schill, D. & Boyd, D. (2018). Increasing the Accuracy of Crowdsourced Information on Land Cover via a Voting Procedure Weighted by Information Inferred from the Contributed Data. ISPRS International Journal of Geo-Information 7 (3), p. 80. 10.3390/ijgi7030080.

McCallum, I ORCID: https://orcid.org/0000-0002-5812-9988, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Sturn, T., Salk, C., Perger, C., Dürauer, M., Karner, M., Moorthy, I., Domian, D., Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990 & Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549 (2018). Engaging Citizens in Environmental Monitoring via Gaming. International Journal of Spatial Data Infrastructures Research 13, 15-23. 10.2902/1725-0463.2018.13.art3.

Zhao, Y., Feng, D., Yu, L., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Perger, C. & Gong, P. (2017). Assessing and Improving the Reliability of Volunteered Land Cover Reference Data. Remote Sensing 9 (10), e1034. 10.3390/rs9101034.

Laso Bayas, J.C. ORCID: https://orcid.org/0000-0003-2844-3842, Lesiv, M. ORCID: https://orcid.org/0000-0001-9846-3342, Waldner, F., Schucknecht, A., Duerauer, M., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Fraisl, D. ORCID: https://orcid.org/0000-0001-7523-7967, Moorthy, I., McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Perger, C., Danylo, O., Defourny, P., Gallego, J., Gilliams, S., Akhtar, I.H., Baishya, S.J., Baruah, M., Bungnamei, K., Campos, A. et al. (2017). A global reference database of crowdsourced cropland data collected using the Geo-Wiki platform. Scientific Data 4, e170136. 10.1038/sdata.2017.136.

Laso Bayas, J.C. ORCID: https://orcid.org/0000-0003-2844-3842, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Perger, C., Justice, C., Nakalembe, C., Dempewolf, J. & Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549 (2017). Validation of Automatically Generated Global and Regional Cropland Data Sets: The Case of Tanzania. Remote Sensing 9 (8), e815. 10.3390/rs9080815.

See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Laso Bayas, J.C. ORCID: https://orcid.org/0000-0003-2844-3842, Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Perger, C., Dresel, C., Maus, V. ORCID: https://orcid.org/0000-0002-7385-4723, Salk, C., Weichselgartner, J., Lesiv, M. ORCID: https://orcid.org/0000-0001-9846-3342, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Moorthy, I. & Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549 (2017). LACO-Wiki: A New Online Land Cover Validation Tool Demonstrated Using GlobeLand30 for Kenya. Remote Sensing 9 (7), e754. 10.3390/rs9070754.

Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Perger, C., McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Schill, C., Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Duerauer, M., Karner, M., Dresel, C., Laso-Bayas, J.-C., Lesiv, M. ORCID: https://orcid.org/0000-0001-9846-3342, Moorthy, I., Salk, C.F., Danylo, O., Sturn, T., Albrecht, F., You, L., Kraxner, F. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2017). A global dataset of crowdsourced land cover and land use reference data. Scientific Data 4, p. 170075. 10.1038/sdata.2017.75.

Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Shvidenko, A., Perger, C., Dresel, C., Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Lakida, P.I., Mukhortova, L.V., Usoltsev, V.A., Bobkova, K.S., Osipov, A.F., Martynenko, O.V., Karminov, V.N., Ontikov, P.V., Schepaschenko, M.V. & Kraxner, F. (2017). Forest Biomass Observation: Current State and Prospective. Siberian Journal of Forest Science (4), 3-11. 10.15372/SJFS20170401.

Laso Bayas, J.C. ORCID: https://orcid.org/0000-0003-2844-3842, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Sturn, T., Perger, C., Dürauer, M., Karner, M., Moorthy, I., Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Domian, D. & McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988 (2016). Crowdsourcing In-Situ Data on Land Cover and Land Use Using Gamification and Mobile Technology. Remote Sensing 8 (11), e905. 10.3390/rs8110905.

Foody, G.M., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, van der Velde, M., Perger, C., Schill, C., Boyd, D.S. & Comber, A. (2015). Accurate attribute mapping from volunteered geographic information: issues of volunteer quantity and quality. The Cartographic Journal 52 (4), 336-344. 10.1080/00087041.2015.1108658.

See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Perger, C., Schill, C., McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Dürauer, M., Sturn, T., Karne, M., Kraxner, F. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2015). Harnessing the power of volunteers, the internet and Google Earth to collect and validate global spatial information using Geo-Wiki. Technological Forecasting and Social Change 98, 324-335. 10.1016/j.techfore.2015.03.002.

Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Lesiv, M. ORCID: https://orcid.org/0000-0001-9846-3342, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Salk, C., Perger, C., Shvidenko, A., Albrecht, F., Kraxner, F., Dürauer, M. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2015). Development of a global hybrid forest mask through the synergy of remote sensing, crowdsourcing and FAO statistics. Remote Sensing of Environment 162, 208-220. 10.1016/j.rse.2015.02.011.

See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Lesiv, M. ORCID: https://orcid.org/0000-0001-9846-3342, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Perger, C., Vakolyuk, M., Schepaschenko, M., van der Velde, M., Kraxner, F. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2015). Building a hybrid land cover map with crowdsourcing and geographically weighted regression. ISPRS Journal of Photogrammetry and Remote Sensing 103, 48-56. 10.1016/j.isprsjprs.2014.06.016.

Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Bun, A., Moltchanova, E., Dürauer, M., Perger, C., Havlik, P. ORCID: https://orcid.org/0000-0001-5551-5085, Mosnier, A., Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, van der Velde, M., Dunwoody, A., Kraxner, F. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2015). Mapping global cropland field size. Global Change Biology 21 (5), 1980-1992. 10.1111/gcb.12838.

Perger, C., LeDrew, E., See, L. ORCID: https://orcid.org/0000-0002-2665-7065 & Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549 (2014). Geography Geo-Wiki in the classroom: Using crowdsourcing to enhance geographical teaching. Future Internet 6 (4), 597-611. 10.3390/fi6040597.

Foody, G.M., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, van der Velde, M., Perger, C., Schill, C. & Boyd, D.S. (2013). Assessing the accuracy of volunteered geographic information arising from multiple contributors to an Internet collaborative project. Transactions in GIS 17 (6), 847-860. 10.1111/tgis.12033.

See, L. ORCID: https://orcid.org/0000-0002-2665-7065, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Perger, C., Kraxner, F., Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769, Deka Baruah, U., Mili, N. & Ram Kalita, N. (2013). Mapping cropland in Ethiopia using crowdsourcing. International Journal of Geosciences 4 (6), 6-13. 10.4236/ijg.2013.46A1002.

Comber, A., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, van der Velde, M., Perger, C. & Foody, G. (2013). Using control data to determine the reliability of volunteered geographic information about land cover. International Journal of Applied Earth Observation and Geoinformation, 37-48. 10.1016/j.jag.2012.11.002.

See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Comber, A., Salk, C.F., Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, van der Velde, M., Perger, C., Schill, C., McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Kraxner, F. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2013). Comparing the quality of crowdsourced data contributed by expert and non-experts. PLoS ONE 8 (7), e69958. 10.1371/journal.pone.0069958.

Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, van der Velde, M., Nalepa, R.A., Perger, C., Schill, C., McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Kraxner, F., Vakolyuk, M., Albrecht, F., Shaw, B. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2013). Downgrading recent estimates of land available for biofuel production. Environmental Science & Technology 47 (3), 1688-1694. 10.1021/es303141h.

Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Schill, C., Perger, C., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, van der Velde, M., Kraxner, F. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2012). Geo-Wiki: An online platform for improving global land cover. Environmental Modelling & Software 31, 110-123. 10.1016/j.envsoft.2011.11.015.

Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Shvidenko, A., Perger, C., Schill, C., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Kraxner, F. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2012). A platform to visualize, analyze and improve biomass datasets: http://biomass.geo-wiki.org. Folia Forestalia Polonica, Series A - Forestry 54 (2), 137-139.

Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, You, L., Bun, A., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Schill, C., Perger, C., Liu, J., Hansen, M. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2011). Cropland for sub-Saharan Africa: A synergistic approach using five land cover data sets. Geophysical Research Letters 38, L04404. 10.1029/2010GL046213.

Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Schill, C., Perger, C., Grillmayer, R., Achard, F., Kraxner, F. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2009). Geo-Wiki.Org: The use of crowdsourcing to improve global land cover. Remote Sensing 1 (3), 345-354. 10.3390/rs1030345.

Book Section

Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Perger, C., Hofer, M., Weichselbaum, J., Dresel, C. & Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549 (2016). LACO-WIKI-A new open access online portal for land cover validation with high resolution imagery. In: Aerospace Methods and GIS Technologies in Forestry, Forest Management and Ecology: Proceedings of the VI All-Russian Conference. Eds. Ershov, D.V., Zhirin, V.M., Knyazeva, S.V., Eidlina, S.P., Korolyeva, N.V. & Gavrilyuk, E.A., pp. 74-79 Moscow: M. CEPF RAS. ISBN 978-5-9901791-7-2

See, L.inda ORCID: https://orcid.org/0000-0002-2665-7065, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Perger, C., Schill, C., Albrecht, F., McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, van der Velde, M., Kraxner, F., Baruah, U., Saikia, A., Singh, K., de Miguel, S., Hazarika, R., Sarkar, A., Marcarini, A., Baruah, M., Sahariah, D., Changkakati, T. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2016). Mapping Human Impact Using Crowdsourcing. In: Mapping Wilderness. Eds. Carver, S.J. & Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, pp. 89-101 Dordrecht, The Netherlands: Springer. ISBN 978-94-017-7397-3 10.1007/978-94-017-7399-7_6.

Arnold, S., Smith, G., Hazeu, G., Kosztra, B., Perger, C., Banko, G., Soukup, T., Strand, G.-H., Valcarcel Sanz, N. & Bock, M. (2015). The EAGLE concept: a paradigm shift in land monitoring. In: Land Use Cover and Land Cover Semantics. Principles, Best Practices, and Prospects. Eds. Fritz,, O Ahlqvist, D Varanka, S & (Eds.), K Janowicz, Boca Raton: CRC Press. ISBN 978-1-4822-3739-9 10.1201/b18746-7.

Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Kraxner, F., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Fuss, S., McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Perger, C., Shvidenko, A., Kindermann, G. ORCID: https://orcid.org/0000-0003-4297-1318, Frank, S. ORCID: https://orcid.org/0000-0001-5702-8547, Tum, M., Schmid, E., Balkovic, J. ORCID: https://orcid.org/0000-0003-2955-4931 & Guenther, K. (2015). Global biomass information: from data generation to application. In: Handbook of Clean Energy Systems. Eds. Yan, Jinyue, Chichester: Wiley. ISBN 9781118991978 10.1002/9781118991978.

See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Kraxner, F., Fuss, S., Perger, C., Schill, C., Aoki, K., Leduc, S., McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Forsell, N. & Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549 (2015). The potential of crowdsourcing for the renewable energy sector. In: Handbook of Clean Energy Systems. Eds. Yan, Jinyue, Chichester: Wiley. ISBN 9781118991978 10.1002/9781118991978.

Albrecht, F., Zussner, M., Perger, C., Durauer, M., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549 & Kainz, W. (2014). Using student volunteers to crowdsource land cover information. In: GI_Forum 2014. Geospatial Innovation for Society – Conference Proceedings. Eds. Vogler, R., Car, A., Strobl, J. & Griesebner, G., pp. 314-317 Vienna, Austria: Austrian Academy of Sciences Press. ISBN 978-3-87907-545-4

See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Perger, C., van der Velde, M., Albrecht, F., Schill, C., McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990 & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2013). Urban Geo-Wiki: A crowdsourcing tool for improving urban land cover. In: Citizen E-Participation in Urban Governance: Crowdsourcing and Collaborative Creativity. Eds. Silva, CN, Hershey: IGI Global. ISBN 9781466641709 10.4018/978-1-4666-4169-3.ch008.

Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Schill, C., Perger, C. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2011). Building a crowd-sourcing tool for the validation of urban extent and gridded population. In: Computational Science and Its Applications - ICCSA 2011. Eds. Murgante, B, Gervasi, O & Iglesias, A, Heidelberg: Springer. 10.1007/978-3-642-21887-3_4.

Conference or Workshop Item

See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Perger, C., Dresel, C., Saad, M., Subash, A., Mora, B., Pascaud, M., Ligeard, F., Joshi, N. & Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549 (2019). LACO-Wiki Mobile: An Open Source Application for In situ DataCollection and Land Cover Validation. In: European Geosciences Union (EGU) General Assembly 2019, 7–12 April 2019, Vienna, Austria.

Shchepashchenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Chave, J., Phillips, O., Lewis, S., Davies, S., Réjou-Méchain, M., Sist, P., Perger, C. & Scipal, K. (2019). First mission – towards a global harmonised in-situ data repository for forest biomass datasets validation. In: EGU General Assembly 2019, 7-9 April 2019, Vienna, Austria.

Laso Bayas, J.C. ORCID: https://orcid.org/0000-0003-2844-3842, Moorthy, I., Sturn, T., Karner, M., Perger, C., Fraisl, D. ORCID: https://orcid.org/0000-0001-7523-7967, Domian, D., Gardeazabal, A., Vargas, L., Capellan, S., Danylo, O., Lesiv, M. ORCID: https://orcid.org/0000-0001-9846-3342, Dürauer, M., Dresel, C., Hager, G. ORCID: https://orcid.org/0000-0003-2259-0278, Saad, M., Subash, A., Smith, B., Joshi, N., Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990 et al. (2018). Citizen Scientists Monitoring the Environment: The Latest Apps from IIASA. In: Citizen Observatories for natual hazards and Water Management, 27-30 November 2018, Venice, Italy.

Lesiv, M. ORCID: https://orcid.org/0000-0001-9846-3342, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Laso Bayas, J.C. ORCID: https://orcid.org/0000-0003-2844-3842, Dürauer, M., Domian, D., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Danylo, O., Perger, C., Karner, M., Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Moorthy, I., Fraisl, D. ORCID: https://orcid.org/0000-0001-7523-7967 & Sturn, T. (2018). Global Field Sizes Dataset for Ecosystems Modeling. In: European Geosciences Union General Assembly 2018, 9-13 April 2018, Vienna, Austria.

Moorthy, I., Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Wehn, U., Hemment, D., Pau, J.M., Tsertou, A., Vohland, K., Ferri, M., McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Domian, D., Hager, G. ORCID: https://orcid.org/0000-0003-2259-0278 & Perger, C. (2018). WeObserve: An Ecosystem of Citizen Observatories for Environmental Monitoring. In: European Geosciences Union General Assembly 2018, 9-13 April 2018, Vienna, Austria.

Moorthy, I., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Perger, C., Dürauer, M., Dresel, C., Sturn, T., Karner, M., Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Lesiv, M. ORCID: https://orcid.org/0000-0001-9846-3342, Danylo, O., Laso Bayas, J.C. ORCID: https://orcid.org/0000-0003-2844-3842, Salk, C., Maus, V. ORCID: https://orcid.org/0000-0002-7385-4723, Fraisl, D. ORCID: https://orcid.org/0000-0001-7523-7967, Domian, D. & Mathieu, P.P. (2017). Crowd-driven tools for the calibration and validation of Earth Observation products. In: Earth Observation Open Science 2017 Conference, 25-28 September 2017, Frascati, Italy.

Aleksandrov, M., Batic, M., Milcinski, G., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Perger, C., Moorthy, I. & Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549 (2017). Crowdsourcing EO datasets to improve cloud detection algorithms and land cover change. In: Earth Observation Open Science 2017 Conference, 25-28 September 2017, Frascati, Italy.

See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Perger, C., Dresel, C., Laso Bayas, J.C. ORCID: https://orcid.org/0000-0003-2844-3842, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549 & Weichselbaum, J. (2017). LACO-WIKI: An online tool for land cover validation and area estimation. In: ISRSE37, 8-12 May 2017, Pretoria, South Africa.

Laso-Bayas, J.C. ORCID: https://orcid.org/0000-0003-2844-3842, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Sturn, T., Karner, M., Perger, C., Dürauer, M., Mondel, T., Domian, D., Moorthy, I., McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Shchepashchenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Kraxner, F. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2016). Assessing the quality of crowdsourced in-situ land-use and land cover data from FotoQuest Austria application. In: European Geosciences Union (EGU) General Assembly 2016, 17–22 April 2016, Vienna, Austria.

See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Perger, C., Dresel, C., Hofer, M., Weichselbaum, J., Mondel, T. & Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549 (2016). LACO-Wiki: A land cover validation tool and a new, innovative teaching resource for remote sensing and the geosciences. In: European Geosciences Union (EGU) General Assembly 2016, 17–22 April 2016, Vienna, Austria.

Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Moorthy, I., McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Perger, C., Shchepashchenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Lesiv, M. ORCID: https://orcid.org/0000-0001-9846-3342, Shvidenko, A., Salk, C., Dürauer, M., Karner, M., Sturn, T., Dresel, C., Domian, D., Dunwoody, A., Kraxner, F. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2015). The Role of Citizen Science and Crowdsourcing Tools in Supporting Systems Analysis at IIASA. In: Systems Analysis 2015 - A Conference in Celebration of Howard Raiffa, 11 -13 November, 2015, Laxenburg, Austria.

Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Lesiv, M. ORCID: https://orcid.org/0000-0001-9846-3342, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Shvidenko, A., Perger, C., Dürauer, M., Kraxner, F., Schepaschenko, M. & McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988 (2015). A citizen science application for improving the spatial distribution of global forests. In: XIV World Forestry Congress, 7-11 September 2015, Durban, South Africa.

See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Perger, C., Hofer, M., Weichselbaum, J., Dressel, C. & Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549 (2015). LACO-WIKI: an open access online portal for land cover validation. In: ISPRS Geospatial Week 2015, 28 September-3 October 2015, Grande Motte, France.

See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Ching, J., Masson, V., Feddema, J., Mills, G., Neophytou, M., Foley, M., O'Connor, M., Milčinski, G., Repse, M., Perger, C., Dürauer, M., Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549 & Bechtel, B. (2015). Generating WUDAPT’s Specific Scale - dependent Urban Modeling and Activity Parameters: Collection of Level 1 and Level 2 Data. In: ICUC9 - 9th International Conference on Urban Climate jointly with 12th Symposium on the Urban Environment, Touloouse, France.

Sturn, T., Wimmer, M., Salk, C., Perger, C., See, L. ORCID: https://orcid.org/0000-0002-2665-7065 & Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549 (2015). Cropland Capture – A Game for Improving Global Cropland Maps. In: Foundatoins of Digital Games, 22-25 June 2015, California.

Perger, C., Dürauer, M., Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Bechtel, B., Ching, J., Alexander, P., Mills, G., Foley, M., O-Connor, M., Stewart, I., Feddema, J. & Masson, V. (2015). Developing a community-based worldwide urban morphology and materials database (WUDAPT) using remote sensing and crowdsourcing for improved urban climate modelling. DOI:10.1109/JURSE.2015.7120501. In: Proceedings, JURSE 2015, 30 March 2015-1 April 2015.

See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Sturn, T., Perger, C., Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988 & Salk, C. (2014). Cropland Capture: A gaming approach to improve global land cover. In: Proceedings, AGILE 2014, "Connecting a Digital Europe through Location and Place, 3-6 June 2014.

Perger, C., McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Albrecht, F., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549 & Thau, D. (2013). Improved cropland mapping in Ethiopia. DOI:10.1553/giscience2013s96. In: GI_Forum 2013 - Creating the GISociety. Conference Proceedings.

Albrecht, F., Perger, C., Schill, C., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Collins, R. & Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549 (2013). Using crowdsourcing to examine land acquisitions in Ethiopia. DOI:10.1553/giscience2013s100. In: GI_Forum 2013 - Creating the GISociety. Conference Proceedings.

Perger, C., Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Schill, C., van der Velde, M., McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988 & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2012). A campaign to collect volunteered geographic information and land cover and human impact. In: GI_Forum 2012: Geovizualisation, Society and Learning.

Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Purgathofer, P., Kayali, F., Fellner, M., Sturn, T., Perger, C., Dürauer, M., Haberl, W., See, L. ORCID: https://orcid.org/0000-0002-2665-7065 & McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988 (2012). Landspotting: Social gaming to collect vast amounts of data for satellite validation. In: European Geosciences Union General Assembly 2012, 23 April 2012, Austria Center Vienna, Austria. (Unpublished)

Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Perger, C., McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, van der Velde, M., Karner, M., Albrecht, F., Schill, C., Kraxner, F. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2012). Geo-Wiki.org: Harnessing the power of volunteers, the internet and Google Earth to collect and validate global spatial information. In: Worlds Within Reach: From Science To Policy - IIASA 40th Anniversary Conference, 24-26 October 2012, Hofburg Congress Center, Vienna and IIASA, Laxenburg, Austria.

Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Perger, C., Schill, C., Shvidenko, A., Kraxner, F. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2011). A platform to visualize, analyze and improve Biomass datasets: http://biomass.geo-wiki.org. In: CarboForest Conference, 21-23 September 2011.

Data

Shchepashchenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Chave, J., Phillips, O.L., Lewis, S.L., Davies, S.J., Réjou-Méchain, M., Sist, P., Scipal, K., Perger, C., Herault, B., Labrière, N., Hofhansl, F. ORCID: https://orcid.org/0000-0003-0073-0946, Affum-Baffoe, K., Aleinikov, A., Alonso, A., Amani, C., Araujo-Murakami, A., Armston, J., Arroyo, L., Ascarrunz, N. et al. (2019). A global reference dataset for remote sensing of forest biomass. The Forest Observation System approach. 10.22022/ESM/03-2019.38.

Shchepashchenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Lesiv, M. ORCID: https://orcid.org/0000-0001-9846-3342, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Salk, C., Moltchanova, E., Perger, C., Shchepashchenko, M., Shvidenko, A., Kovalevskyi, S., Gilitukha, D., Albrecht, F., Kraxner, F., Bun, A., Maksyutov, S., Sokolov, A., Dürauer, M., Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769, Karminov, V. et al. (2015). Global hybrid forest mask for the year 2000. 10.5281/zenodo.5559652.

Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, See, Linda ORCID: https://orcid.org/0000-0002-2665-7065, Perger, C., McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Schill, C., Shchepashchenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Duerauer, M., Karner, M., Dresel, C., Laso Bayas, J.C. ORCID: https://orcid.org/0000-0003-2844-3842, Lesiv, M. ORCID: https://orcid.org/0000-0001-9846-3342, Moorthy, I., Salk, C., Danylo, O., Sturn, T., Albrecht, F., You, L., Kraxner, F. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2012). A global dataset of crowdsourced land cover and land use reference data (2011-2012).

Other

Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Lesiv, M. ORCID: https://orcid.org/0000-0001-9846-3342, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Shvidenko, A., Perger, C., Kraxner, F. & Schepaschenko, M. (2015). Citizen science application for forestry. [[Book of Abstracts, International Scientific Conference - Forestry: Bridge to the Future]]; 6-9 May 2015, Sofia, Bulgaria pp.94-95 (May 2015)

Salk, C., Sturn, T., Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Fuss, S., Perger, C., Dürauer, M., McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988 & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2014). Collecting, analyzing and assessing big land use data: Results from the cropland capture game. Presentation, [[AGU Fall Meeting]], 15-19 December 2014, San Francisco, CA, USA (2014)

Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Nordling, J., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Perger, C., Becker-Reshef, I., Mucher, S., Bydekerke, L., Havlik, P. ORCID: https://orcid.org/0000-0001-5551-5085, Kraxner, F. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2014). Towards the development and validation of a global field size and irrigation map using crowdsourcing, mobile apps and Google Earth engine in support of GEOGLAM. Presentation, [[AGU Fall Meeting]], San Francisco, CA, USA (December 2014)

Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Lesiv, M. ORCID: https://orcid.org/0000-0001-9846-3342, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Perger, C., Shvidenko, A., Kraxner, F. & Schepaschenko, M. (2014). Global forest map: exploring the synergy of remote sensing, crowd sourcing and statistics. Presentation, [[XXIV IUFRO Congress]], 5-11 October 2014, Salt Lake City, USA (2014)

Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Kraxner, F., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Lesiv, M. ORCID: https://orcid.org/0000-0001-9846-3342, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Perger, C., Shvidenko, A. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2014). Towards a global biomass baseline map for the year 2000 to meet REDD(plus) policy requirements. Presentation, [[XXIV IUFRO Congress]], 5-11 October 2014, Salt Lake City, USA (2014)

Sturn, T., Perger, C., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Salk, C., Wimmer, M. & Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549 (2014). Cropland Capture: an effective game for collecting VGI. Position Paper, [[Role of Volunteered Geographic Information in Advancing Science: Effective Utilization

Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Sturm, T., See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Perger, C., Schill, C., McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, Karner, M., Dueruer, M., Kraxner, F. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2014). Cropland Capture: A game to improve global cropland through crowdsourcing. [[Geophysical Research Abstracts]], 16:EGU2014-2004

Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Lesiv, M. ORCID: https://orcid.org/0000-0001-9846-3342, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Perger, C., Shvidenko, A. & Kraxner, F. (2013). Global hybrid forest mask: Synergy of remote sensing, crowd sourcing and statistics. AGU Fall Meeting 2013, ePoster B23D-0574 (9-13 December 2013)

Schepaschenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Schill, C., Perger, C., Baccini, A., Gallaun, H., Kindermann, G. ORCID: https://orcid.org/0000-0003-4297-1318, Kraxner, F., Saatchi, S., Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769, Santoro, M., Schmullius, C., Shvidenko, A. & Schepaschenko, M. (2012). Observing forest biomass globally. [[Earthzine]], posted on 9 June 2012 in Articles, Earth Observation, Forest Resources Information

Schill, C., Diaz, L., Perger, C., Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Nativi, S., McInerney, D., See, L. ORCID: https://orcid.org/0000-0002-2665-7065 & Craglia, M. (2012). Web 2 Tools to Improve Global Land Cover: Linking the EuroGEOSS Broker and Geo-Wiki. Poster presentation, EuroGEOSS Conference, 23-27 January 2012, Madrid, Spain

Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Shchepashchenko, D. ORCID: https://orcid.org/0000-0002-7814-4990, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Perger, C., Schill, C., Baccini, A., Gallaun, H., Kindermann, G. ORCID: https://orcid.org/0000-0003-4297-1318, Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769, Santoro, M., Schmullius, C. & Shvidenko, A. (2011). Observing terrestrial biomass globally: http://biomass.geo-wiki.org. AGU Fall Meeting 2011, Abstract B51C-0404 (December 2011)

McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, Schill, C., Perger, C., Achard, F., Grillmayer, R., Koch, B., Kraxner, F., Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 & Quinten, M. (2010). Geo-Wiki.org: Harnessing the power of volunteers, the Internet and Google Earth to collect and validate global spatial information. [[Earthzine]], posted on 1 February 2010 in Articles, Earth Observation, Technology

Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Schill, C., Perger, C., Kraxner, F. & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2009). Towards a geospatial Wikipedia (Abstract). [[Geophysical Research Abstracts]], 11:EGU2009-6977

This list was generated on Sat Feb 22 14:56:49 2025 UTC.