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  • Delimitations of the areas of geological interest included in the Inventory of Areas of Geological Interest of Catalonia. The boundaries are not final, they are subject to review, so you need to check for updates to this layer of information.

  • In order to develop the Article 5 of the Directive, it is necessary to define in advance the basic river network of the demarcation on which the water bodies will be delimited. To do this, the river network extracted from the 1:50,000 scale topographic base of the Cartographic Institute of Catalonia (ICC, 2002) was used. On this basis, some background has been taken into account and some criteria have been applied that have served to establish the definitive scope of the river network. Background: These backgrounds are based on the following three considerations and sources: - Water Framework Directive: the classification of rivers according to system A of the Directive considers rivers with a drainage basin equal to or greater than 10 km2. - Centro de Estudios Hidrográficos del CEDEX: has restricted the basic hydrographic network based on two conditions: (i) drainage basin equal to or greater than 10 km2; and (ii) an average annual contribution in natural regime greater than 3.15 hm3/year (100 L/s). - Reference stations: regardless of the flow and the drained basin area, the river sections where reference stations are used to determine the reference conditions of certain river types have been considered.

  • The Directive defines the category "lake" as "a body of quiet superficial inland water " (Article 2) and specifies a lower limit of 0.5 km2 when establishing its rates (Annex II). At the level of Spain and based on preliminary CEDEX criteria, all those lakes with an area of ​​more than 50 ha (0.5 km2) or all those with an area of ​​more than 8 ha and exceeding 3 m in depth are included as bodies of water. The Agency through two agreements with research centers has proposed as bodies of water that could be assimilated to the category of lakes: 1 - Lakes and ponds of more than 0.5 ha of surface located at altitudes above 800 m and lakes below this level with a depth of more than 6 m (agreement with the CEAB-CSIC; Agency, 2003d). 2 - Wetlands located at altitudes below 800 and with a depth of less than 6 m (agreement with the UdG; Agency, 2004d). Also included in this category are the reservoirs of the inland basins of Catalonia.

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    The orthophoto is a cartographic document that consists of a vertical aerial image which has been rectified in such a way that the same scale is kept in the entire surface of the image, being a geometric representation on scale of the terrestrial surface. It is a orthophoto with a resolution of 25 cm generated from images with a pixel resolution variable according to the zones. The color orthophoto (OF-25C) provides information about the visible area of the electromagnetic spectrum. Shows the combination of RGB bands that correspond to the Red, Green and Blue channels, a combination called "natural color".

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    The Land Cover Map of Catalonia is a information set of high-resolution thematic cartography on the main types of land cover in the country, such as urban areas, agriculture, forestry or water bodies.

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    The municipal database of addresses of Catalonia contains, for each municipality, the set of addresses of places where people can live or activities can be carried out, described by means of a couple of representative coordinates of the site, in two dimensions (2D), and attributes that specify the location and path. This set of data corresponds to the municipality of Vilaller.

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    The municipal database of addresses of Catalonia contains, for each municipality, the set of addresses of places where people can live or activities can be carried out, described by means of a couple of representative coordinates of the site, in two dimensions (2D), and attributes that specify the location and path. This set of data corresponds to the municipality of Nalec.

  • The scope of coastal waters of Catalonia corresponds to that defined in the Administrative Framework (Chapter 1), following the definition contained in Article 2 of Directive 2000/60/CE. Thus, the scope of coastal waters extends from the coastline to the line located one mile away from the baseline that is used to determine the jurisdictional waters of the Spanish State, which is established in Royal Decree 2510/1977. In the stretches of the coast where the baseline deviates considerably from the shoreline, the scope of coastal waters includes inland waters (autonomous competence) and also a mile of territorial waters (or jurisdictional, state competence). On the coast of Catalonia, 50% of the baseline coincides with the coastline, and the other 50% is far from distances ranging from 3 miles (north of Cap de Creus, Maresme Sud, Barcelonès and Alcanar), at 9 miles (in the Bay of Roses) and at 11 miles (basins south of Cap de Salou).

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    The municipal database of addresses of Catalonia contains, for each municipality, the set of addresses of places where people can live or activities can be carried out, described by means of a couple of representative coordinates of the site, in two dimensions (2D), and attributes that specify the location and path. This set of data corresponds to the municipality of Quart.

  • Areas of vulnerable zones in relation to nitrate pollution from agricultural sources according to decrees 283/1998, 476/2004 and Government Agreement 128/2009, of 28 July. It maintains the encoding that was used in the second version. This coding could be modified if the ministry reviews the protocol or procedure for creating the code.