@incollection{fdi:010067229, title = {{T}he island effect on the global sclae : size, ranking and shape of oceanic islands}, author = {{D}epraetere, {C}hristian}, editor = {}, language = {{ENG}}, abstract = {{M}uch has been said about islands but no global definition of this geographical phenomenon has so far been made available. {A} normative approach is consequently difficult to adopt. {A} database was put together involving 1,085 islands in the size range of 100km2 to 1,000,000km2. {E}ach digitized file of the coastline is linked to the following information: name, country, basic planimetric figures (surface, coastal length), location (latitude and longitude in degrees), and scale of the map used for planimetric purposes. {F}rom this sample, a study of the relationships between surfaces and frequencies highlights a simple statistical law which can be related to properties of a fractal structure. {A} surface area-based hierarchical method is presented to depict the degree and type of ‘cephalic’ structure of the archipelago. {S}ome coastal form indices are presented, with their significance related to the geomorphological context of some islands.}, keywords = {{ILE} ; {ARCHIPEL} ; {BASE} {DE} {DONNEES} ; {HIERARCHIE} ; {MORPHOLOGIE} ; {COTE} ; {FRACTAL} ; {SUPERFICIE} ; {INSULARITE} ; {MONDE}}, booktitle = {{I}sland studies : critical concepts in geography, vol. 4}, numero = {}, pages = {21}, address = {}, series = {{C}ritical {C}oncepts in {G}eography}, year = {2016}, ISBN = {978-1-138-01459-6}, URL = {https://www.documentation.ird.fr/hor/fdi:010067229}, }