TABLE OF CONTENTS (Continued) 



Page 



CHAPTER IX TIDAL PNENOMENA AND ICE 325 



119. Certain Peculiarities of the Tides 325 



120. Influence of Ice on Tidal Phenomena 328 



121. Influence of Tides on Freezing and Break-up of Sea 330 



122. Tidal Cracks (Treshchiny) 331 



123. Tidal Variations in Level and Stamukhi 335 



124. Tidal Movements of Sea Ice 336 



125. Pressing Together and Thinning out of Ice Due to Tides 338 



126. The Concept of Ice Time 340 



127. Significance of Tidal Phenomena in Navigation in Ice 342 



128. Tidal Ice Maps 344 



CHAPTER X SEA CURRENTS AND ICE 347 



129. Certain Peculiarities of Sea Currents 347 



130. Movement of Ice in Sea Currents 349 



131. Currents and Fast Ice 352 



CHAPTER XI WIND AND THE DRIFT OF ICE 355 



132. The Wind Drift of Ice 355 



133. The Drift of Close Ice Fields 356 



134. The Combined Influence of Winds and Currents 366 



135. Drift Along the Isobars 368 



136. The Rate of Drift Along the Isobars 372 



137. Comparison of the Computed and Observed Drifts 373 



138. The Drift of Ice During the Passage of Pressure Systems 377 



139. The Drift of an Isolated Ice Floe 381 



140. The Drift of Scattered Ice 386 



141. Wind Strips of Ice 389 



142. Compressive and Dispersive Winds 390 



143. Wind Leads and Polynas 393 



CHAPTER Xn CIRCULATION OF WATER AND ICE OF THE ARCTIC BASIN 399 



144. Certain Information Concerning the Balance of Water and Ice 399 



145. Coastal Siberian Waters 403 



146. Arctic Surface Water 406 



147. Atlantic Water 410 



148. Deep Water 416 



149. Drift of Vessels and Buoys 418 



150. Atmospheric Pressure Over the Arctic Basin 425 



151. Atmospheric Turbulence 430 



152. Variation in Ice Circulation from Year to Year 435 



153. Ice Circulation in the White Sea 437 



CHAPTER Xm SEASONAL AND LONG-TERM FLUCTUATIONS OF ICE 



ABUNDANCE 445 



154. Ice Abundance 445 



155. Seasonal Fluctuations 448 



156. Long Term Fluctuations 457 



