This record shows a Base map of West of Betio in South Tarawa, Kiribati. Due to frequent coastal erosion on South Tarawa, the map was produced to show the coastal changes that have taken place. Present Shorelines (1992) are compared to shorelines from 1943 and 1969. This Base map showcase West of Betio, Sheet 1 of 2. The map was drawn based on surveys and aerial images taken in 1969, 1943 and 1992. Shoreline data are from 1945 and 1953 surveys from Howorth (1982).
This record shows the Seismic Interpretation obtained at the Betio-Bairiki causeway site in 1981. The data was obtained as part of the Tarawa Nearshore project. The chart shows 2 profiles. There are another 9 sheets accompanying this one that belong to the same project. The map was drawn up as part of the Tarawa Nearshore Project for the Bairiki-Betio, Tarawa causeway dredging borrow site. Sea bed surveys were undertaken in south Tarawa by UNDP staff and consultants assisted by personnel supplied by the government of Kiribati during November and December 1981.