maps & geomorphology - mountain cartography · 2015. 9. 14. · maps with imagination . auckla...

Roger Smith, Mountain Cartography Workshop, September 2012

Maps & GeomorphologyMaps & Geomorphology

New ZealandNew ZealandArchipelago of 700 islandsArchipelago of 700 islandsArchipelago of 700 islandsArchipelago of 700 islands

Total area 270,000 sq kmTotal area 270,000 sq km

70% classified as hilly or steep70% classified as hilly or steep70% classified as hilly or steep70% classified as hilly or steep

Over 60% >300m in altitudeOver 60% >300m in altitude

M t i h 3750M t i h 3750Mountains reach 3750mMountains reach 3750m

New ZealandNew ZealandArchipelago of 700 islandsArchipelago of 700 islandsArchipelago of 700 islandsArchipelago of 700 islands

Total area 270,000 sq kmTotal area 270,000 sq km

70% classified as hilly or steep70% classified as hilly or steep70% classified as hilly or steep70% classified as hilly or steep

Over 60% >300m in altitudeOver 60% >300m in altitude

M t i h 3750M t i h 3750Mountains reach 3750mMountains reach 3750m

Whataroa RiverWhataroa River

OrthophotoOrthophoto

Whataroa RiverWhataroa River

2m Lidar DEM2m Lidar DEM

Lake TaupoLake Taupo

Waikato River Waikato River todaytodaytodaytoday

Hinuera GapHinuera Gap

Earthquakes Earthquakes -- 15,000/yr 15,000/yr

M it d d FM it d d FMagnitude and FrequencyMagnitude and Frequency

–– 44--551/day1/day1/day1/day

–– 55--66 2/month2/month–– 66--77 2/year2/year–– 66--77 2/year2/year–– 77--88 1 every 3 1 every 3

yearsyears–– >8>8 1 every 100 1 every 100

yearsyears

Christchurch 7.1 (Sep 2010), 6.3 (Feb Christchurch 7.1 (Sep 2010), 6.3 (Feb 2011)2011)

Green Lake landslideGreen Lake landslide

Lake Waikaremoana Lake Waikaremoana landslidelandslide

Lake WaikaremoanaLake Waikaremoana