Tutorial to evaluate water consumption on forested / deforested zones

Quick tutorial to assess the water consumption by vegetation depending on the vegetation type. The area of interest has an extension of 0.4° Degrees N-S and 0.6° Degrees E-W. The coordinates of the area of interest are: N:-8.4°,W:-75.2°,S:-8.8°,-74.6°.

Datasets

The datasets for this tutorial come from MODIS Dataproducts: MCD12Q1 and MOD16.

More information on MCD12Q1: https://lpdaac.usgs.gov/dataset_discovery/modis/modis_products_table/mcd12q1

More information on MOD16: ftp://ftp.ntsg.umt.edu/pub/MODIS/NTSG_Products/MOD16/MOD16_global_evapotranspiration_description.pdf

The area of interest is located on the rectangle h10 v09 from the MODIS global grid. The selected for this study was 2013. The Land Cover Type Description for the MCD12Q1 was LAI/fPAR (Type 3)

 

Content

This tutorial covers:
- Import of the raster layers
- Save rasters with SRC WGS84 (both ET and Land Cover), notice: raster resolution
- Cut Land Cover raster to the selected polygon
- Polygonize the Land Cover raster
- Convert Land Cover polygon from single part to multipart
- Zonal Statistics with Actual ET and the Multipart Land Cover Polygonize
- Analyze Results

Video

Land Cover Description

Description of the LAI/FPAR codes:

Class LAI/fPAR (Type 3)
0 Water
1 Grasses/Cereal crops
2 Shrubs
3 Broadleaf crops
4 Savanna
5 Evergreen Broadleaf forest
6 Deciduous Broadleaf forest
7 Evergreen Needleleaf forest
8 Deciduous Needleleaf forest
9 Non-vegetated  
10 Urban

 

Input and Output Data

Download the Input Data from this link:

http://gidahatari.com/s/9_WaterDemand_Forested_Areas_ORG.rar

Download the Output Data from this link: 

http://gidahatari.com/s/9_WaterDemand_Forested_Areas_ENG_FIN.rar

Saul Montoya

Saul Montoya es Ingeniero Civil graduado de la Pontificia Universidad Católica del Perú en Lima con estudios de postgrado en Manejo e Ingeniería de Recursos Hídricos (Programa WAREM) de la Universidad de Stuttgart con mención en Ingeniería de Aguas Subterráneas y Hidroinformática.

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