This study evaluates the geomorphological state of 12 beach-dune systems over time, classifying them into four stages according to their degree of degradation: 1- systems in a natural state (two beaches), 2- highly altered or disappeared dune systems (three beaches), 3- dune systems in recovery process (five beaches), and 4- stabilized dune systems (two beaches).

This geoinformation is a cartographic document that provides a global view of the country's soil structure and offers, in a synthetic form, information on the distribution of soils in the territory, their morphologies, and their physical, chemical and biological characteristics.

The Gloria storm affected the Catalan coast between January 19th and 23rd, 2020. The study characterizes the wave climate and the prior morphodynamic conditions, compiles the most notable impacts, and proposes the need for a shift in coastal management towards an ecosystem-based approach.

Continuous digital hydrogeological cartography 1:25,000 is a set of geothematic information related to the quantitative and qualitative characteristics of groundwater, the environment that contains it and the associated hydrogeological elements such as wells, piezometers, springs and water mines.

Inventory of defence structures built to reduce the risk of avalanches. Single and lineal structures are documented, such as artificial avalanche release systems, road barriers, breakers, deflection structures, retention nets, screens, wind baffles, deflectors, rigid and flexible barriers, retention walls, reforestation and controlled areas.

This work assesses the level and role of management and the morphological status of coastal dunes in Catalonia and Valencia. Ten beach-dune systems were studied to determine how management actions influence their morphological status. Results show two main groups: those without sustainable management, in an advanced erosive state, and those where sustainable management was applied, presenting good conservation status.

The central element is the 1:25,000 geological map; the rest are called peripheral elements. The peripheral elements are: the legend of the cartographic units, the conventional signs, the stratigraphic columns, the geological sections, the stratigraphic relationship diagram, the geological diagram and the complementary diagrams. The geological map shows the distribution of different types of rocks that emerge on the surface of the earth and their relative arrangement. It allows us to deduce much of the arrangement of rocks in the subsoil and to learn about the geological history of a region. It is a two-dimensional graphic representation that allows us to make extrapolations in three dimensions or, even, four if time is considered, depending on the level of reading that is made. It is formed by a set of cartographic units limited by contacts and by symbols that represent other geological elements: surface dip, folding structures, subsoil information (isopachs or isobaths of the Quaternary), slope of recent deposits, morphological indications, landslides and other recent processes, deposits, etc. It also includes symbols of various references (geological sections, drillings, names of major geological structures, etc.).

Based on the "Preliminary Studies for the stabilization of the beaches of Sant Adrià de Besòs, Badalona and Montgat", of March 2021, this document proposes a series of stabilization measures for the beaches of Badalona and Montgat.

Soil information on soil profiles described in the field, with varying degrees of detail, both of the place where the observation is made and of the profile described. Including its composition in horizons, morphological description and physical-chemical characterization, such as the type of soil.

The study analyzes the temporal and spatial evolution of the Platera dune system, located in Baix Empordà (Girona), using variables of use, state, and management over 16 periods between 1956 and 2016. The results obtained provide a detailed view of the Platera beach-dune system through its geoenvironmental evolution, and allow it to be directly related to parameters of use, management, and planning, with special importance to the foredune morphologies as a stabilizing element of the systems.