R efleksi

Sinodik 90, 91
Sirkum Pasifik 97, 116, 167
Sistem klasifikasi tanah 151
Slow flowage 144
Spesifik 6, 27
Spodosol 152
Stevenson 187
Strabo 4, 28, 54
Stratosfer 175, 176, 211, 213, 215, 216, 268
Struktur tanah 150, 157, 162, 163, 169, 225, 239
suhu udara 6, 72, 74, 134, 177, 178, 180, 181, 193, 194, 197, 215, 216, 217, 223, 268, 269
Sun spots 67, 98
Sungai 7, 8, 13, 16, 31, 97, 103, 106, 112, 128, 137, 138, 139, 140, 141, 142, 145, 154, 158, 161, 164,
165, 175, 198, 209, 211, 217, 221, 222, 223, 224, 227, 228, 229, 230, 231, 232, 233, 234, 236, 239,
241, 242, 243, 244, 245, 246, 253, 254, 256, 257, 258, 259, 260, 261, 262, 263, 265, 266, 269
Sungai campuran 229
Sungai episodik 229
Sungai gletser 229
Sungai hujan 229
Sungai mati 141, 141, 165, 258
Surface run off 223
T
Tahun siderik 91
Tahun tropik 91
Taiga 208, 211
Tanah gambut 153, 273
Tanah sawah 156
Tanggul alam 140, 142
Tata surya 35, 36, 51, 54, 61, 62, 63, 64, 65, 66, 69, 70, 72, 74, 76, 78, 82, 87, 88, 89, 91, 92, 94, 98, 99,
100
Tekanan udara 177, 178, 181, 182, 186, 187, 191, 192, 193, 194, 211, 212, 215, 267, 268
Tekstur tanah 150, 151, 154, 163
Tektonik lempeng 40, 45, 53, 55, 245
Tektonisme 114, 116, 127, 162, 264
Teleskop 73, 87, 90, 91
Tenaga eksogen 17, 114, 133, 162, 163, 166, 169, 269
Tenaga endogen 17, 45, 49, 96, 106, 114, 115, 116, 117, 125, 162, 166, 169, 263, 266
Teori awan debu 65, 89, 92
Teori bintang kembar 64, 88
Teori dua benua 43, 55
284