The growth in the sugarcane sector leads to intense search for new agricultural land suitable for expansion. In the State of São Paulo, the Pontal do Paranapanema region is considered one of the last regions suitable for sugarcane expansion in large scale. However, the expansion of this crop may change the productive structures and the objectives of family agriculture in agrarian reform settlem...

The major problem in the assessment of relationships between rainfall and runoff occurs when a study is carried out in ungauged watersheds in the absence of hydro-climatic data. This study aims to evaluate the applicability of Natural Resources Conservation Service-Curve Number (NRCS-CN) method together with GIS in estimating runoff depth in a mountainous watershed. The study was carried out in...

GRASS GIS (Geographical Resources Analysis Support System) is a free, open source software and has been used for Remote Sensing (RS) and Geographic Information System (GIS) data analysis and visualization. Inside GRASS, different modules have been developed for processing satellite images. Currently, GRASS uses databases to handle large datasets and the performance and capabilities of GRASS for...

For a number of years the Australian Bureau of Statistics (ABS) has provided a significant amount of census data in Geographic Information System (GIS) ready format. However, the spatial units upon which the data is based has not always been conducive to user needs, due to its reliance on standard geography. With the increasing interest in census-based data in other geographic forms, the NSW of...

Geographical Information Systems (GIS) is defined as an automated set of functions that provides professionals with advanced capabilities for the storage, retrieval, display and analysis of geographically located data. This paper aims to show a GIS based approach to analysis of registry-based cancer incidence data. Case data were obtained from the Pennsylvania Cancer Registry for 1993-1997 peri...