Open AccessSoil recovery following landslides at Whatawhata Research Station, Waikato, New Zealand: preliminary results
Author(s) -
Adrea Morgan Noyes,
Megan R. Balks,
Vicki G. Moon,
David J. Lowe
Publication year - 2016
Publication title -
grassland research and practice series
Language(s) - English
Resource type - Journals
eISSN - 2463-4751
pISSN - 0110-8581
DOI - 10.33584/rps.16.2016.3227
Subject(s) - landslide , geology , deposition (geology) , shear zone , soil water , geomorphology , soil horizon , hydrology (agriculture) , transition zone , soil science , geotechnical engineering , geochemistry , seismology , sediment , tectonics
This research investigates soil recovery following landslides at the Whatawhata Research Station 20 km west of Hamilton. Six landslides were studied, ranging in age from pre-1953 to 2014. The landslides were divided into four zones: shear zones (mean of 25% of landslide area), intact accumulation zones (20%), transition zones (40%), and re-deposition zones (15%), along with a control. Soils were well-developed in the control and intact accumulation zones and least recovered in the shear and re-deposition zones. Mean A horizon depths ranged from 2 cm in the shear and re-deposition zones to 7 cm in the transition zone, 17 cm in the intact accumulation zone, and 20 cm in the control. Mean soil carbon contents were lower (P