E R T H E H E AV Y R A I N FA L L D I S A S T E R Y U I C H I R O N I S H I M U R A * , O S M F J , O S G E O J P, N A R A W O M E N ' S U N I V E R S I T Y State Of The Map 2017 08/18/2017 at 15:10 AM
• interests: GIS and society • my mapping activities: mapping newly built neibourhood, campus mapping • Education activity: OpenStreetMap in Nara Women's university
• most of Japanese mappers: male, middle aged, "IT lovers" • few proportion of female mappers • few proportion of elderly/ student mappers • few proportion of disability • OSM can helps diverse needs and maps for each users
mapping is quite meaningful for geographic education • how to make map • how to use GPS • how to see the place and geographic features by fieldwork • The student also learn the possibility and the limitation of NeoGeographical mapping
mountainous area of Nara, September 2011 • The heavy rainfall disaster occurred in Kii Peninsular, September 2011 has brought severe damage in the mountainous area of Nara Pref. • Tropical Storm Talas (2011) • The landslides occured on Sep. 3rd. in Totsukawa http://en.wikipedia.org/wiki/ File:Talas_Terra_MODIS_picture_2011-09-02_(High_Definition).jpg
Talas triggered huge landslides in the village • 6 people died and 6 people are still missing in the village • The main roads also damaged by the landslide and outsider cannot enter the village over several months
data (imported in 20th, Aug. 2011) • Bing satellite image (trace) – mainly Coastal area (Shingu to Kushimoto) – no good resolution data in Totsukawa • GSI base map 1:25,000(WMS trace)
maps of mountainous area in Japan has low quality by Google Maps • Google Japan uses zoomed map data by Zenrin residential map mainly focused on the urbanized area. • remote area over zoom level 17 have no detailed scale web map • no detailed scale map • detailed scale map IUUQHFPGVTFHFPSFQVCMJDOFUHFPGVTFTIPXUIFNF MBZFS NC@#$'#&"##@
6 years have passed from disaster • Reconstruction of the infrastructure(especially road infrastructure) are progressed • The regional population is shrinking continuously and the depopulated areas are expanding. • possibilities of mapping, limits of mapping
The village authority is making book of history and geography of Totsukawa • civilization history of Totsukawa • old village office • ancient road and settlements located at not the small flatland near the river but the mountain ridge old village office village office
wikipedia town open data platform and related internet services used by neo-geographers in Japan local story, qualitative information quoted local facts, qualitative information local fact data, quantitative information diverse map expression, custumable map “open streetview” custumable map, “open my map” “my guide map” • book of history and geography of Totsukawa
building in the village (the practices by the outsider of the damaged area) • publicity of OSM is needed (Google maps have dominant position in Japan). The potential of OSM in mountainous area in Japan is not well known. • field surveys by local resident is needed for keeping the data quality.
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