Book of short Abstracts of the 11th International Symposium on Digital Earth

Thank you all for joining us at ISDE11! About 400 delegates from 37 different Countries attended the 11th International Symposium on Digital Earth, which took place from 24 to 27 September 2019 in Florence, Italy. 260 short abstracts were reviewed by the Scientific Program Committee and 74 extended abstracts were submitted for publication in the IOP Conference Proceedings Series. A couple of special Issues on two International Journals (IJDE and DATA) are planned. 28 scientific sessions have been organized with a total of 151 talks (including 10 Plenary Speakers and 4 Keynote Speakers at the Grand Debates) and 78 poster presentations. The Opening Ceremony, held in Palazzo Vecchio, the Florence City Hall, included the celebration of the 20th Anniversary of the ISDE Symposia and the two award ceremonies for the ISDE "Lifetime Honorary President" and "Fellow" title. Dr. Alessandro Annoni was appointed as the new President of ISDE. Prof. Huadong Guo was awarded the ISDE "Lifetime Honorary President" and the"Fellow" title. The Manual of Digital Earth, with contributions of more than 100 scholars from 18 countries over three years, was announced. Three focused Plenary Session and three Grand Debates provided a platform for inspiring presentations and fruitful discussions. The 2019 Florence Declaration on Digital Earth was adopted as a milestone document after the 1999 and 2009 Beijing Declaration on Digital Earth. Finally, the 8th Digital Earth Summit was officially announced to be held in Russia in 2020, while the next International Symposium on Digital Earth will take place in Salzburg, Austria in 2021. Thank you so much to all those who helped in bringing the event together and see you all next year!