Title
WM1: Presence of Water Management System
Abstract

WM1:Presence of Water Management System
WM1 : Code for normal presence and purpose of an existing water management system in agricultural land on more than 50% of the STU.
A water management system is intended to palliate the lack of water (dry conditions), correct a soil condition preventing agricultural use (salinity), or drain excess water in waterlogged or frequently flooded areas. In some cases, it has a double purpose, for example in zones with contrasting seasonal conditions, alternatively flooded or experiencing droughts. The most obvious, apparent, or dominant type of water management system must be chosen from the list according to the contributor's expertise.

Obviously, WM1 and WM2 are inter-dependant. For example, if WM1 = 2 (no water management system) then WM2 can only have value 2. As another example, WM1 = 3 (drainage) is clearly incompatible with WM2 = 9 (flooding).
The list of authorised codes and their corresponding meanings is given in the following tables for attributes WM1:
WM1 : Code for normal presence and purpose of an existing water management system in agricultural land on more than 50% of the STU
Code Value
--------------
0 No information
1 Not applicable (no agriculture)
2 No water management system
3 A water management system exists to alleviate
waterlogging (drainage)
4 A water management system exists to alleviate
drought stress (irrigation)
5 A water management system exists to alleviate
salinity (drainage)
6 A water management system exists to alleviate both
waterlogging and drought stress
7 A water management system exists to alleviate both
waterlogging and salinity


References
Web address (URL)
Data ownership
European Commission, Joint Research Centre.
Publication Date
Type
Vector Data
Category
Environment
environmental resources, protection and conservation. Examples: environmental pollution, waste storage and treatment, environmental impact assessment, monitoring environmental risk, nature reserves, landscape

Edition
1
Language
English

Attribute Name Label Description
objectid
wm1

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