Authors
Noboru Noguchi, Ryosuke Takai, Munetaka Iio, Oscar C Barawid Jr, Yuji Nambu
Description
The objectives of this study were to establish criteria for grassland amelioration and to establish a method for design of grassland amelioration using spatial information on the grassland. To obtain criteria for grassland amelioration, the terrain of the grassland was resolved into spatial frequency by discrete Fourier transform (DFT) using a digital elevation model (DEM). The DEM was generated by a GIS map based on terrain information obtained before and after the grassland amelioration. Then the criteria for grassland amelioration were obtained from the relationship between geographical features and spatial frequency by investigating large differences in spatial frequency before and after the grassland amelioration.
Determination of the precise location of the grassland surface is essential for obtaining a GIS map based on terrain information. A real-time kinematical global positioning system (RTK-GPS) was …
Scholar articles
N Noguchi, R Takai, M Iio, OC Barawid Jr, Y Nambu