INDEX OF StIBJBOTS 157 



Ice services, see also Ice patrols and observations. Item 



Baltic Sea. - 844, 857 



Danzig 857 



Denmark - - - 763, 854, 867 



Estonia 857 



Finland ..- - 857 



Germany _ -- 826, 857 



Latvia 857 



Lithuania 857 



Poland ..- - - 857 



Sweden -- 867 



U.S.S.R.. - 68, 



69, 168, 577, 736, 857, 1256 



Biireau of ice forecasting - 89, 1435, 1436 



Ice structure 735, 



1362, 1394, 1417, 1449, 1544, 1613, 1628 



Ice temperature, see also Thermal properties 205, 



512, 581, 1368, 1390, 1472, 1526, 1540, 1592, 1593, 1628 



Icebergs 10,59,1330,1332, 



1333, 1334, 1336, 1337, 1339, 1341, 1380, 1381, 1417, 1456, 1682, 1583, 1586, 1614, 1622 



Barents Sea .-. 413 



Detection 1359, 1378, 1528, 1621 



Greenland 306 



Kotzebue Sound 579 



Vlurman Coast 362 



«forth Atlantic 191, 



197, 211, 213, 214, 215, 217, 218, 219, 223, 224, 238, 245, 256 



Norway 391,392,411 



Sevemaya Zemlya (Northland) 491 



Svalbard (Spitzbergen) 1417 



Icebreakers 19, 



726, 782, 1294, 1340, 1347, 1379, 1413, 1471, 1534, 1560, 1564 



Impact of ship on ice 1379 



Keimeis, see Anchor ice. 



Lake ice (For occurrence, see names of lakes and countries.) 1190, 



1331, 1351, 1389, 1390, 1423, 1463, 1480, 1481, 1484, 1520, 1568, 1569, 1602, 1686 



Melting 1331, 1351, 1408 



Movement.. 1109 



Plasticity ; 1669 



Measurement of ice (For amounts of ice, see Ice scales) 1610, 1640 



Hummocks 1315 



Internal strain 1675 



Thickness 1318, 



1376, 1551, 1552, 1561, 1629, 1630 



Mechanical properties, see also Strength of ice — 1293, 



1360, 1449, 1453, 1472, 1482, 1597, 1599, 1600, 1611, 1624, 1628, 1634 



Elasticity 46, 



1329, 1350, 1397, 1398, 1399, 1421, 1446, 1511, 1588 



Expansion and contraction 1329, 



1343, 1390, 1391, 1416, 1420, 1525, 1588, 1644 



Friction.. 1316, 



1317, 1345, 1416, 1420, 1421, 1589, 1590 



Internal tension 1530, 1575 



Plasticity 1329, 



1418, 1503, 1601, 1669 



