Grey options

Grey options

Raising and extending coastal land

Description For centuries, coastal communities have used rocks and soil to extend and raise coastal land to gain additional space for living, but also as defence against sea storms and flooding. In more recent

Grey options

Beach nourishment

Description Beach nourishment (also known as “replenishment”) is the artificial placement of sand/gravel on an eroded shore in order to maintain the amount of deposit on the coast, and thus compensate for erosion and

Grey options

Seawalls and quays

Description Seawalls are structures made of hard material (e.g. stones, concrete, masonry or sheet piles), built to protect the inland area against wave action and to prevent coastal erosion. Seawalls also serve to stabilize

Grey options

Groynes, breakwaters, artificial reefs and jetties

Description A groyne is a shore protection structure built perpendicular to the shoreline to reduce the longshore drift and to trap sediments (I, Γ, Y, ৲ configurations are frequently used). Since groynes induce an

Grey options

Cliff stabilization and strengthening

Description Coastal cliff stabilisation techniques are ‘green’ measures to reduce cliff erosion and its consequences – landslide, collapse, falling of rocks – compared to cliff strengthening techniques that are ‘grey’ measures. Decisions on which

Grey options

Storm surge gates / flood barriers

Description Storm surge gates/flood barriers are fixed installations that allow water to pass in normal conditions, and have gates or bulkheads that can be closed against storm surges or spring tides to prevent flooding.

Grey options

Water saving and recycling

DESCRIPTION Longer dry periods in Europe and a decreasing trend in average precipitation have been experienced since the second half of 20th century, especially in summer and in southern areas, including the Mediterranean and

Green options
Grey options

Water sensitive urban and building design

Description Changing climate in the Adriatic region coupled with ever increasing coastal urbanization results in the increase of water related ecological issues. Urban areas are characterized by high levels of surface sealing in the