A WEB APP TO GENERATE AND DISSEMINATE NEW KNOWLEDGE ON URBAN GREEN SPACE QUALITIES AND THEIR ACCESSIBILITY. - Hecht, R.; Artmann, M.; Brzoska, P.; Burghardt, D.; Cakir, S.; Dunkel, A.; Gröbe, M.; Gugulica, M.; Krellenberg, K.; Kreutzarek, N.; Lautenbach, S.; Ludwig, C.; et al. (ISPRS Annals of Photogrammetry, Remote Sensing & Spatial Information Sciences, 2021)