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Dive into the research topics where C. Schill is active.

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Featured researches published by C. Schill.


Archive | 2016

Mapping Human Impact Using Crowdsourcing

Linda See; Steffen Fritz; Christoph Perger; C. Schill; Franziska Albrecht; Ian McCallum; D. Schepaschenko; Marijn van der Velde; F. Kraxner; Ujjal Deka Baruah; Anup Saikia; Kuleswar Singh; Sergio de-Miguel; Rubul Hazarika; Ankita Sarkar; Abel Alan Marcarini; Mrinal Baruah; Dhrubajyoti Sahariah; Trishna Changkakati; Michael Obersteiner

This chapter outlines how crowdsourcing and Google Earth have been used to create the first global crowdsourced map of human impact. Human impact in this context refers to the degree to which the landscape has been modified by humans as visible from satellite imagery on Google Earth. As human impact is measured on a continuum, it could be used to indicate the wildest areas on the Earth. This bottom-up approach to mapping using the crowd is in contrast to more traditional GIS-based wilderness mapping methods, which integrate proximity-based layers of remoteness and indicators of biophysical naturalness in a top-down manner. Data on human impact were collected via a number of different data collection campaigns using Geo-Wiki, a tool for visualization, crowdsourcing and validation of global land cover. An overview of the crowdsourced data is provided, along with the resulting map of human impact and a visual comparison with the map of human footprint (Sanderson EW, Jaiteh M, Levy MA, et al. BioSci 52:891–904. doi: 10.1641/0006-3568(2002)052[0891:THFATL]2.0.CO;2, 2002).


Archive | 2012

Observing forest biomass globally

D. Schepaschenko; Linda See; Steffen Fritz; Ian McCallum; C. Schill; Christoph Perger; A. Baccini; H. Gallaun; Georg Kindermann; F. Kraxner; S. Saatchi; Michael Obersteiner; M. Santoro; Christiane Schmullius; A. Shvidenko; M. Schepaschenko


Archive | 2012

Web 2 Tools to Improve Global Land Cover: Linking the EuroGEOSS Broker and Geo-Wiki

C. Schill; L. Diaz; Christoph Perger; Steffen Fritz; Ian McCallum; S. Nativi; D. McInerney; Linda See; Max Craglia


Archive | 2010

Identifying and quantifying the benefits Of GEOSS

Ian McCallum; Steffen Fritz; Nikolay Khabarov; Sabine Fuss; Jana Szolgayova; Felicjan Rydzak; Petr Havlik; F. Kraxner; Michael Obersteiner; K. Aoki; C. Schill; M. Quinten; Christine Heumesser; Jetske Bouma; Belinda Reyers; Uwe A. Schneider; F. Pignatelli; L. Pavanello; Maria Teresa Borzacchiello; Max Craglia; Franziska Albrecht


Archive | 2010

Geo-Wiki.org: Harnessing the power of volunteers, the Internet and Google Earth to collect and validate global spatial information

Steffen Fritz; Christoph Perger; Ian McCallum; D. Schepaschenko; Linda See; M. van der Velde; Mathias Karner; Franziska Albrecht; C. Schill; F. Kraxner; Michael Obersteiner


Archive | 2009

Towards a geospatial Wikipedia (Abstract)

Steffen Fritz; Ian McCallum; C. Schill; Christoph Perger; F. Kraxner; Michael Obersteiner


In: Fritz, S et al. (2016): A global dataset of crowdsourced land cover and land use reference data (2011-2012). PANGAEA, https://doi.org/10.1594/PANGAEA.869682 | 2016

A global dataset of crowdsourced land cover and land use reference data (2011-2012)

Steffen Fritz; Linda See; Christoph Perger; Ian McCallum; C. Schill; Dmitri Schepaschenko; Martina Duerauer; Mathias Karner; C. Dresel; Juan-Carlos Laso-Bayas; M. Lesiv; Inian Moorthy; Carl F. Salk; O. Danylo; Tobias Sturn; Franziska Albrecht; Liangzhi You; F. Kraxner; Michael Obersteiner


Archive | 2014

Cropland Capture: A game to improve global cropland through crowdsourcing

Steffen Fritz; T. Sturm; Linda See; Christoph Perger; C. Schill; Ian McCallum; D. Schepaschenko; Mathias Karner; M. Dueruer; F. Kraxner; Michael Obersteiner


Archive | 2013

1 Downgrading Recent Estimates of Land Available for Biofuel

Steffen Fritz; Marijn Van der Velde; Rachel A. Nalepa; Christoph Perger; C. Schill; Ian McCallum; D. Schepaschenko; F. Kraxner; Ximing Cai; Xiao Zhang; Simone Ortner; Anna Cipriani; Ahmed H. Rabia; Alfredo Garcia; M.E. Beget; Stefan Erasmi; Franziska Albrecht; Brian Shaw; Michael Obersteiner


Supplement to: Fritz, S et al. (2011): Cropland for sub-Saharan Africa: A synergistic approach using five land cover data sets. Geophysical Research Letters, 38, L04404, 6 pp, https://doi.org/10.1029/2010GL046213 | 2011

Percent cropland coverage for sub-Saharan Africa

Steffen Fritz; Liangzhi You; Andriy Bun; Linda See; Ian McCallum; C. Schill; Christoph Perger; Junguo Liu; Matthew C. Hansen; Michael Obersteiner

Collaboration


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Ian McCallum

International Institute for Applied Systems Analysis

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Steffen Fritz

International Institute for Applied Systems Analysis

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Michael Obersteiner

International Institute for Applied Systems Analysis

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Christoph Perger

International Institute for Applied Systems Analysis

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F. Kraxner

International Institute for Applied Systems Analysis

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Linda See

International Institute for Applied Systems Analysis

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D. Schepaschenko

International Institute for Applied Systems Analysis

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Franziska Albrecht

International Institute for Applied Systems Analysis

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Mathias Karner

International Institute for Applied Systems Analysis

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Liangzhi You

International Food Policy Research Institute

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