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Combining Population and
Environmental Data
A Typology Approach based on Patterns and its Generative Processes
Building up Trajectories of Patterns of Land Cover Change
Spatial Distribution of the Population and the Trajectories
of the Patterns of Land Cover Change at the DFS
(Sustainable Forestry District) on the BR-163, Pará, Brazilian
Amazon: Population, Space and Environment.
Amaral, Silvana ; Gavlak, André Augusto ; Escada, , Maria Isabel Sobral ; MONTEIRO, Antônio Miguel Vieira .
Using remote sensing and census tract data to improve representation of population spatial distribution: case
studies in the Brazilian Amazon. Population and Environment , p. 1043, 2012.
Distrito Florestal Sustentável da
BR-163 (DFS)
Spatial Distribution of the Population
Dasymetric Method Variation1
Representação esquemática do procedimento para redistribuição da
população nos setores censitários.
Census Tracts
Redistribution
Adjacent Surface Modeling
Population Counts
distributed over
cells
General procedure to disaggregate population counts within census tracts. Source: Adapted from Amaral (2005)
1Origins:
J. Kirtland Wright, Problems in Population Mapping, in Notes on Statistical
Mapping, with Reference to the Mapping of Population Phenomena.
Mimeographed Publication no. 1, ed. J. K. Wright. New York: AGS and Population
Association of America, pp. 1–18, 1938
Based on the works of Benjamin Semenov-Tian-Shansky from 1911 til the 20’s.
2000
2007
Resultados
5% is the Averaged Difference between the Interpolated Population value, e the value collected
during the Field work.
Cell Sex Ratio ‘Estimated’
Pattern
Type
Description
Mapping the Stages of
the Occupation Frontier
in the DFS/BR-163
through Spatial Patterns
of Land Cover
Typology of Patterns
of Land Cover
PRODES / Years 1997 – 2000 – 2003 - 2007
Process
– Frontier Stage Characterisation
http://www.dpi.inpe.br/geodma/
Patterns and Process :
Spatial Data Mining
GeoDMA – Geographical Data Mining Analyst
Korting et al, 2007
Attribute Extraction and Landscape Metrics
MÉTRICAS DA PAISAGEM APLICADAS NA EXTRAÇÃO DOS
ATRIBUTOS
Métricas
Descrição
Calcula a área total das manchas de
Class Area (CA)
desmatamento na célula de paisagem.
Percent LAND
Calcula a porcentagem da área da célula
(%LAND)
desmatada.
Número de manchas de desmatamento dentro
Patch Density (PD)
das células de paisagem por km².
Calcula a o tamanho médio das manchas de
Mean Patch Size (MPS)
desmatamento.
Calcula a complexidade das manchas de
Landscape Shape
desmatamento dentro das células baseado em
Index (LSI)
suas áreas e perímetros.
Calcula a complexidade média dos padrões de
Mean Shape Index
desmatamento dentro das células baseado em
(MSI)
suas áreas e perímetros.
Calcula a complexidade média das manchas de
Area Weighted Mean
desmatamento ponderada pela sua própria
Shape Index (AWMSI)
área.
Mean Patch Fractal
Calcula a complexidade média das manchas de
RESULTS
Occupation Patterns - 1997
RESULTS
Occupation Patterns - 2000
RESULTS
Occupation Patterns -2003
RESULTS
Occupation Patterns - 2007
RESULTS
Change Trajectories
Without Changes
Occupation Trajectories