Diagnosis of environmental risksin peri-urban areas

Luanda – February 2000

GIS

Geographical Information Systems

Development Workshop - Angola

GIS DEFINITIONComputer system capable of

collecting, storing, taking, analaysing, and presenting

information that has a geographical reference

Data can be quantitative (Precipitation,

population density) or qualitative (land types,

land usage)

DW’s MAIN GOAL for GIS

To apply the Information Geographical System as an instrument for spatial representation, and for the monitoring of the environmental impact interventions have on the health and well being of populations in peri-urban areas

GIS database

scanner digitizer GPSGIS ELEMENTS

geographicaldata

Other kinds of data

Technical and social-economic

data bases

spatialanalysis

map presentations

screen printer plotter

Map Structure

RASTER MAP:

a map is a grid

each grid element has a value

it has a fixed solution

examples:

- satellite images

- scanned maps

VECTOR MAP:

a map is made up of three vectors:

- regions (polygons)

- lines (arcs)

- points

examples:

- administrative limits

- streets

- stand posts

RASTER MAP

Luanda Province : Administrative Division

Cte Bula

Combustiveis

Cardoso

Candua

Boa Esperanca

Dala Muleba

Morro Bento 1

Sapu

Golf II

Palanca

Bairro Popular

Terra Nova

Precol

MarcalBairro Operario

Roque Santeiro

Tala Hadi

Maculuso

Kinanga

Luanda Sul

Rocha Pinto

Prenda

MaiangaCalemba

Capolo

Vila da Mata

Camama

Golf

Cazenga popular

Corimba

Sector Central

Cuca

Sao Pedro de Barra

VIANAKILAMBA KIAXI

INGOMBOTA

CUCUACO

Administrative Division : blocks.

Ngola Kiluanje

Kikolo

Hoji Ya Henda

CAZENGA

CUCUACO

SAMBIZANGA

Val saroca

Ossos

Marconi

ENCIBPorto pesqueiro

Sao Joao

Ilha da Madeira

Santo Antonio

Mabor

11 de Novembro

Q131

Q14Q12

Q13

Q220Sao Joao_15

Santo Antonio_5

Santo Antonio_7

Mabor_11Mabor_11A

11 Novembro_9

11 Novembro_10

11 Novembro_14

11 Novembro_13

sector val saroca

Petrangol

Luanda: Stand posts and Latrines

Morro Bento 1

Sapu

Golf II

Palanca

Bairro Popular

Terra Nova

Precol

Marcal

Bairro Operario

Roque Santeiro

Mota

Sector Central

Sao Pedro de Barra

Farol das Lagostas

Ngangula

Kikolo

Boa Esperanca

?

Hoje Ya Henda

Petrangol

Mabor

CariangoTala Hadi

Ingombota

Maculuso

Luanda Sul

Rocha Pinto

Prenda

Catambor

Mulemba

Calemba

Capolo

Cimangola

Vila da Mata

C.T.T

Val Saroca

Camama

Golf

Cazenga popular

Cuca

Nelito Soares

Ilha do Cabo

Chicala

Patricio Lumumba

Corimba

TALA HADI

KINANGA

KIKOLO

VIANA

CAZENGA

KILAMBA KIAXI

CUCUACO

SAMBA

LUANDA: CHAFARIZES E LATRINASlatrinas escolaresChafarizes construidos antes de 1997chafarizes construidas durante 1998Chafarizes contsruidos durante 1997

Area of Project: STANDPOSTS, SCHOOL

LATRINES, EPAL WATER PIPES

Sao Joao_1

Sao Joao_15

Santo Antonio_3

Ndala Muleba-4

Ndala Muleba_5

Ndala Muleba_6

Ndala Muleba_1

Candua_7

Ndala Muleba_2

Kawelele_3

Candua_1

Kawelele_1

Cemiterio_1Cardoso_4

Cardoso_1Cardoso_2

Compao_2

Compao_3

Auguto Ngangula_5

Auguto Ngangula_2

Auguto Ngangula_1

Combustiveis_1

Combustiveis_4

Cmte Bula_1

Cmte Bula_2

Cmte Bula_4Cmte Bula_6

Cmte Bula_5

Boa Esperanca_2

Boa Esperanca_4

Boa Esperanca_3

Dala Muleba_7

Farol das Lagostas

Sao Pedro da Barra

Val saroca

Ossos

MarconiENCIB

MulembaPorto pesqueiro

Antero

Sao Joao_1A

Ilha da Madeira_12

Santo Antonio_5

Adriano Moureira_2Sao Pedro_4

Sao Pedro_6

Sao Pedro_8

Mabor_11

11 Novembro_10

11 Novembro_14

11 Novembro_13 Kikolo sede_4

200

175

38

1389

D1717

73

1

2

16

121

Environmental FactorsNUMERO MUNICIPIO NUMERO COMUNA NUMERO SECTOR POPULACAO AREA SAUDE

Dirreia

1 INGOMBOTA 1.1 ILHA DO CABO 1.1.1 Ilha do Cabo 36400 94

1.2 PATRICE LUMUMBA 1.2.1 Patrice Lumumba 87600 164

1.3 INGOMBOTA 1.3.1 Ingombota 90800 182 0.13

1.4 KINANGA 1.4.1 Kinanga 24500 176

1.5 MACULUSSO 1.5.1 Maculusso 59600 130

2 MAIANGA 2.1 MAIANGA 2.1.1 Maianga 56800 236

2.2 CASSEQUEL 2.2.1 Cassequel 77900 335

2.3 PRENDA 2.3.1 Prenda 129300 2412 0.4

2.3.2 Rocha Pinto

2.3.3 Luanda Sul

3 RANGEL 3.1 RANGEL 3.1.1 Rangel 121800 161

3.1.2 Precol

3.2 MARCAL 3.2.1 Marcal 44200 125

3.2.2 Zangado 0.55

3.3 TERRA NOVA 3.3.1 Vila Alice 120900 310

3.3.2 Cidadela

3.3.3 Terra Nova

4 SAMBIZANGA 4.1 SAMBIZANGA 4.1.1 Sambizanga 79400 334

4.1.2 Mota

4.1.3 Lixeira

4.1.4 Boa Vista

4.1.5 Roque Santeiro

4.2 BAIRRO OPERARIO 4.2.1 Bairro Operario 75000 180 1.32

4.3 NGOLA KILUANGE 4.3.1 Val Saroca 92000 1570

4.3.2 Sao Pedro de Barra

4.3.3 Sector Central

4.3.4 San Jose

5 CAZENGA 5.1 CAZENGA 5.1.1 Cazenga 119200 1671

5.1.2 Tungango

5.2 CUCA 5.2.1 Cuca 125800 1420

5.2.2 Hoji Ya Henda

5.2.3 Petrangol 3.18

5.2.4 Mabor

5.3 TALA HADI 5.3.1 Tala Hadi 51000 1042

5.3.2 Cariango

6 KILAMBA KIAXI 6.1 NEVES BENDINHA 6.1.1 Bairro popular 111000 1254

6.1.2 Palanca

6.2 GOLFE 6.2.1 Golfe 108000 1002

6.2.2 Golfe (II) 1.86

6.2.3 Sapu

6.2.4 Camama

6.2.5 Morro Bento I

7 SAMBA 7.1 CORIMBA 7.1.1 Corimba 124500 288

7.2 FUTUNGO DE BELAS 7.2.1 futungo de Belas 33000 3970

7.2.2 Morro Bento (II) 0.92

7.3 BENFICA 7.3.1 Benfica 24700 27200

8 CACUACO 8.1 CACUACO 8.1.1 Cacuaco 46000 31490

8.2 KIKOLO 8.2.1 Kikolo 113400

8.2.2 Mulemba

8.2.3 Cimangol 1.19

8.2.4 Boa Esperanca

8.2.5 Ngangula

8.2.6 mulenvos Baixos

9 VIANA 9.1 VIANA 9.1.1 Viana 189500 65940

9.1.2 Viana (II) 0.81

Malaria Index in Luanda

PRENDA

CASSEQUEL

NEVES BENDINHA

TALA HADI

CAZENGA

HOJI YA HENDA

RANGEL

MARCALOPERARIOKINANGA

GOLFE

MAIANGA

NGOLA KILUANJE

KIKOLO

CORIMBA

VIANA

ILHA

Morro Bento (I)

Sapu

Boa Vista

Sector Central

Farol das Lagostas

Ngangula

Boa Esperanca

Petrangol

Cazenga

CariangoTala Hadi

Maculusso

Luanda Sul

Prenda

Capolo

Cimangol

Camama

Golfe

Cassequel

Cuca

Ilha do Cabo

Chicala

SambaKILAMBA KIAXI

INGOMBOTA

CUCUACO

LEGENDAIndice de malaria

1-2<1>2

Poverty Index

VIANA

CAZENGA

KILAMBA KIAXI

MAIANGA

INGOMBOTA

CUCUACO

SAMBIZANGA

RANGEL

SAMBA

CASSEQUEL

NEVES BENDINHA

TALA HADI

HOJI YA HENDA

MARCALINGOMBOTA

GOLFE

MAIANGA

NGOLA KILUANJE

KIKOLO

CORIMBA

Morro Bento (I)

Sapu

Sambizanga

Farol das Lagostas

Ngangula

Boa Esperanca

Petrangol

Tala HadiPrenda

Camama

Golfe

Cassequel

Cuca

Ilha do Cabo

Patrice Lumumba

Samba

LEGENDAIndice de pobreza

55606570<50

Diarrhoea Index

VIANA

CAZENGA

KILAMBA KIAXI

MAIANGA

INGOMBOTA

CUCUACO

SAMBIZANGA

RANGEL

SAMBA

CASSEQUEL

NEVES BENDINHA

TALA HADI

HOJI YA HENDA

MARCAL

SAMBIZANGA

OPERARIO

MACULUSSO

INGOMBOTA

GOLFE

MAIANGA

NGOLA KILUANJE

KIKOLO

CORIMBA

ILHA

Morro Bento (I)

Sapu

Bairro Popular

Terra Nova

San Jose

Farol das Lagostas

Ngangula

Kikolo

Boa Esperanca

Petrangol

Tungango

Tala Hadi

Luanda Sul

Prenda

Capolo

Cimangol

Camama

Golfe

Cuca

Ilha do Cabo

Samba

LEGENDAIndice de Diarreia

1-2<1>2

Land usage Plan in Luanda