1. Re-engineering the Past: Countrywide Geo-referencing of Archival Aerial Imagery

   • Holger Heisig
   • Jean-Luc Simmen

   Original Article Open access 22 September 2021 Pages: 487 - 503

   

2. Suitability of the Spanish Open Public Cartographic Resources for BIM Site Modeling

   • Amparo Bernal
   • Carlos Muñoz
   • Roberto Serrano-López

   Original Article Open access 02 November 2021 Pages: 505 - 517

   

3. Investigations on the Geometric Quality of AVHRR Level 1B Imagery Aboard MetOp-A

   • Sila Bas
   • Vincent Debaecker
   • Dieter Just

   Original Article 27 September 2021 Pages: 519 - 534

   

4. Developing Maize Yield Predictive Models from Sentinel-2 MSI Derived Vegetation Indices: An Approach to an Early Warning System on Yield Fluctuation and Food Security

   • Muluken N. Bazezew
   • Achenef Tigabu Belay
   • Christoph Kleinn

   Original Article 12 October 2021 Pages: 535 - 548

   

5. Comparison of Solar-Induced Chlorophyll Fluorescence and Light Use Efficiency Models for Gross Primary Productivity Estimation on Three Mid-latitude Grassland Sites in North America

   • Yifu Chen
   • Qian Zhao
   • Qian Yan

   Original Article 25 October 2021 Pages: 549 - 562

   

6. Report

   Reports 25 November 2021 Pages: 563 - 568