The tourist effect has generated analyzes, studies and research on the relationships it produces as a result of travel and the negative or positive effects produced on the receiving populations. Bearing in mind that residents of tourist destinations are not usually consulted when tourism begins to develop in their locality. This article aims to present a discussion of authors who describe about the impacts of t...
This essay addresses the effects of climate change on Mozambican (family) subsistence agriculture, in lands with semi-arid climate trends, such as the south districts of the country, as Magude and Moamba, in Maputo province. The research was developed from bibliographical surveys and direct observation of the authors, who experienced the local reality. There is a cyclical trend of years of extreme drought, prec...
This paper analyzed the availability of cloud-free data from the programs Landsat (surface reflectance, 1982- 2019) and Sentinel-2 (TOA reflectance, 2015-2019) over the Brazilian territory. In the case of Landsat, the amount of information available increased considerably in 1999 with the start of Landsat 7. However, mainly due to the presence of clouds, the availability of data varies greatly in space and time...
Orientador : Prof. Dr. Tony Vinicius Moreira Sampaio; Tese (doutorado) - Universidade Federal do Paraná, Setor de Ciências da Terra, Programa de Pós-Graduação em Geografia. Defesa: Curitiba, 27/07/2016; Inclui referências : fls. 120-137; Resumo: Os Modelos Digitais do Terreno (MDTs) são importantes ferramentas para representação digital do relevo. MDTs são utilizados para obtenção de informações e avaliações de...
Resumo: O mapeamento geomorfológico é utilizado em larga escala para fins de planejamento territorial e ambiental, contudo ainda existem várias lacunas no que diz respeito à identificação de formas de vertentes. Há problemas tanto no que se refere aos conceitos, quanto às metodologias. Diferentes mapeadores utilizando uma mesma base de dados podem chegar a resultados diferentes, ora por divergências no conceito...