Thesis (Ph. D.)--University of Chicago, 1966. / "June 1966"--Cover. Includes bibliographical references (leaves 52-56).

Thesis (M.S.)--University of Massachusetts Amherst, 2008. / Includes bibliographical references (p. 392-481).

Thesis (M.S.)--Virginia Polytechnic Institute and State University, 1994. / Vita. Abstract. Includes bibliographical references (leaves 141-143). Also available via the Internet.

Along Wreck Beach the existing headland cliffs are eroding and receding under attack from terrestrial and marine agents. Valuable property is being lost and nearby structures endangered. Remedial measures were undertaken in the summer of 1974 to halt wave erosion along the cliff base. A rock groin and sand—gravel protective beach scheme was only partially success ful during the following year. To design an adequate protection system for the cliffs wind and wave effects need to be deter mined to fully understand the resulting sand movement patterns. Understanding the processes affecting Wreck Beach is the first step in controlling them. Methods used to investigate sand movement included field coverage of the study area in photographic form as well as instrument cross—sectioning over a two year period. These data were correlated with historical wind records and predictions from wave refraction diagrams to determine seasonal movement onto and off the beach face and the cyclic progression of sandbars in the longshore current direction. Annual sand trans port volumes, sand supply sources and amounts contributed are outlined. In designing a protection scheme in which longshore trans port requirements must be considered the information and calcu lations suggests that the Fraser River North Arm could amply provide the longshore transport supply requirements. However, some means in addition to the present natural processes must be available to bring this sand into a range where wind gen erated wave activity can incorporate it into the existing Wreck Beach system. / Applied Science, Faculty of / Civil Engineering, Department of / Graduate

No description available.

The south Brevard coast of Florida is a major nesting ground for the Atlantic loggerhead turtle (Caretta caretta). A beach restoration project was completed in the winter of 1980-81 at Indialantic and Melbourne Beach. A study was conducted to investigate the effects of beach restoration on marine turtle nesting during the summer months of 1981 and 1982. A 3.1 km restored beach study area and two control beach study areas, each 3.1 km in length and consisting of natural beach sands, were established. The entire study area (9.3 km) was monitored for nesting and non-nesting emergences (false crawls) and a tagging program was established. The objectives of the study were to determine the effects of the restoration project on the nesting behavior of adult female turtles, and to develop an understanding of the effects of restored beach sands on the survival of marine turtle eggs and hatchlings. During the 1981 nesting season 2,766 marine turtle emergences were recorded. The nesting success rates (nesting emergences/total emergences x 100) for 1981 on the north control beach and the south control beach were 54% and 51% respectively, whereas the restored beach had a statistically significant lower nesting success of 28%. This reduction of nesting success was attributed to a compact substrate that was markedly less friable than the sands of the control beaches. In 1981, the turtles emerging to nest in the restored area often displayed aberrant digging behavior when they encountered the compact sand. By the following summer of 1982, it was evident that the restored beach substrate was less compact. The nesting success for 1982 in the restored beach (46%) rose to a level equal to that of the control beaches (48% and 46%). A total of 3,144 marine turtle emergences were recorded in the 1982 nesting season. To study the effects of beach restoration on the eggs and hatchlings, nests were marked, left to incubate on the beach, and later excavated to determine hatch success. Hatch data and hatchling emergence data were collected on 30 clutches in each of the three beach sections for both the 1981 and 1982 seasons. No significant difference was found between the hatch percentage for the restored beach and the hatch percentages for the control beaches in either study year. The hatchling emergence data, which would indicate the hatchlings' ability to emerge from the sand, indicate no significant difference between the restored beach and control beaches for 1981 and 1982.

Thesis (M. Phil.)--University of Hong Kong, 1978.

Thesis (M.S.)--University of North Carolina Wilmington, 2009. / Title from PDF title page (January 14, 2010) Includes bibliographical references (p. 99-104)

Thesis (Ph. D.)--University of Illinois, 1966. / Vita. Includes bibliographical references (leaves 148-196).

published_or_final_version / Geography and Geology / Doctoral / Doctor of Philosophy