Page 59 - Designing Ways 264
P. 59

Transform  an  urban  dumping  ground
                                                                                into an island-jeweled lake
                                                                                  Inspired by the ancient concept of
                                                                                farming atop marshland, and by simple
                                                                                cut-and-fill techniques such as the Aztec
                                                                                Chinampas, or floating garden system,
                                                                                the coal ash dumped on site was recycled
                                                                                and mixed with dirt from the fish pond
                                                                                dykes to create numerous islets.
                                                                                  At the same time, a lake able to
                                                                                accommodate two metres (6.5 feet) of
                                                                                water-level rise was created, providing
                                                                                the capacity to catch a full 1 million cubic
                                                                                metres of stormwater inflow.

                                                                                A flood-adapted forest at the heart of the
                                                                                Park
                                                                                  Inspired by  Poyang Lake’s  native
                                                                                monsoon - flood - adapted marsh
                                                                                landscape, the firm selected tree species
                                                                                that are able to survive fluctuating water
                                                                                levels, including Taxodium distichum,
                                                                                Taxodium distichum var. imbricatum
                                                                                and  Metasequoia  glyptostroboides.
                                                                                Because fluctuating water levels often
                                                                                expose  barren  muddy  shorelines,
                                                                                perennial and annual wetland plants
                                                                                were planted along the shorelines and
                                                                                island edges, and lotus plants provide
                                                                                highly efficient lake cover.

                                                                                A recreational waterfront where the city
                                                                                and nature meet
                                                                                  The central forest on the water, which
                                                                                is submerged during the annual monsoon





                                                                                                    dw • Issue 264   59
   54   55   56   57   58   59   60   61   62   63   64