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Yayın Challenges of Turkish heritage impact assessment practices: case of canal Istanbul, Turkey(WITPress, 2021) Çetin, Burcu Can; Gülersoy, Nuran ZerenHeritage impact assessment (HIA) which has been implemented internationally after the Vienna Memorandum aims to contribute to both development initiatives and conservation principles. However, Turkish impact assessment practices still display inactive relationships with cultural heritage although the country developed alongside prior global experiences. Istanbul pioneered planning interventions and large-scale urban regeneration in Turkey, which has been the country's primary connection to global markets. Due to Istanbul's reputation as an investment centre defined by the government, the balance between conservation and development has become shallow. While Turkey introduced legislative measures from European perspectives, the country began to drift apart in terms of the logic behind HIAs since 2005, when the urban regeneration era commenced. In this context, Istanbul Canal exemplifies the Turkish approach of HIA, at the intersection of conservation and development, grounded exclusively in Turkish legislation. Established on the Canal Istanbul Environmental Impact Assessment (EIA) practice, this study investigates the challenges encountered by Istanbul's cultural heritage, due to the hierarchical structure of the planning system, the adoption of international conservation and management principles, and the EIA-HIA processes and procedures. It considers that the deep-seated problems within the Turkish conservation-planning structure can be attributed to the ineffective HIA, and the results could contribute to the improvement of impact assessment mechanisms.Yayın Reburial of mosaics: field experiment comparing six different systems based on the results of monitoring station in Perge(Uludag Univ, Mosaic Res Ctrfac Fine Arts & Sciences, Archaeology Dept, 2021-11-30) Yeşil Erdek, ŞehrigülThe effectiveness of six different reburial systems was investigated by means of a monitoring station installed on a part of approximately 110 square meters of mosaic, defined as basilica thermarum in the Southern Baths of the ancient city of Perge. The scope of the study covers the monitoring of six different reburial systems consisting of only soil filling on the tessellatum layer; only sand filling on the tessellatum layer; sand filling on geotextile laid on the tessellatum surface; sand and gravel, respectively on geotextile laid on the tessellatum surface; geotextile and pozzolana on the tessellatum surface, and ,finally, approximately 5 cm sand, geotextile, and 15 cm sand on the tessellatum surface. Key parameters, which lead to deterioration such as moisture content in these systems, system response to the precipitation, temperature change, acidity, salt content, and plant formation were evaluated comparatively. In these systems, Decagon 10HS soil moisture sensor for moisture measurements and Apogee ST100 soil temperature sensor for temperature measurements were employed. Atmospheric humidity, atmospheric temperature and precipitation data were collected with a Davis (R) Vantage Vue (TM) Wireless Weather Station set. Data of salt content, acidity and elemental composition were obtained through conductivity analysis, pH tests, X-ray fluorescence (PED-XRF) analysis. Having reached under the reburial system, species analysis of plants that cause mosaic deterioration was realized, and the coverage degree of those plants was determined according to the Braun-Blanquet cover-abundance scale. This research, in which data for the years 2017-2018 were evaluated, showed that each monitored reburial system had certain advantages and disadvantages according to the above-mentioned parameters.
