4 articles in this issue
V. Guillermo Quintanilla P.
The antrophic action upon the landscape of the mid valley of the Aconcagua river in Central Chille, dates from the pre-incasic period (to the end of 14 th. century.Due to the mildness of the weather, the fertility of the soil, the great contributionof the... see more
Orlando Peña Alvarez
In this work are analysed three bearings of the permanent work of the FederalGermany Meteorological Service, whose results can be very well availed by thegeographers for their s tudies on Applied Climatology. The Technoclimatologysupplies work implements ... see more
José F. Araya Vergara
The material fron SKYLAB 190 A was examined in posirive transparences of1 1/4 x 2 1/4 in., which belong to 6 bands. 1: was observed the better bands that are those of 0.6 - 0.7 microns (panchromatic. hlack and white), 0.5 - 0.88 microns (infrared colour) ... see more
Fernando L. E. Robles, Alvaro L. Ulloa, José R. Pineda
Shades of gray were observed in two ERTS images off northern Chile coastal waters. These photographs were reproduced in band 5, combined with high-density yellow false colour (diazo) images; afterwards they were contrasted against several physico-chemica... see more