Response of Dry and Floating Saline Ice to Cyclic Compression

Laboratory experiments on saline ice are often performed cold, isothermal and dry specimens out of convenience versus working with warm or floating in water. The laboratory conditions, thus, usually involve non-natural conditions. This study compares cyclic loading covering the main range ocean wave periods both dry, warm, specimens. Results indicate that −2.5°C have higher moduli than an average temperature a naturally occurring gradient. Moreover, dislocation density estimated using physics-based model strain energy dissipated 10−3–10−2 Hz loading-unloading cycles much lower for Although precise reason difference requires further study, results nonetheless contribute to understanding implementation rheology related geophysical modeling.