expulsion, 88
4.15 Branching and its effects; conduits, 89
4.16 Orders of magnitude in branches, 91
4.17 Orders and dimensions, 92
4.18 Classification of events, 93
4.19 Time and relativity in the model, 93
4.20 The world we live in as a tessellation of events, 94
4.21 Introduction of pattern applications, 95
4.22 The tribal use of patterning, 96
4.23 The mnemonics of meaning, 99
4.24 Patterns of society, 100
4.25 The arts in the service of life, 100
4.26 Additional pattern applications, 101
4.27 References and further reading, 102
4.28 Designers' checklist, 105.

CHAPTER 5 CLIMATIC FACTORS, 106
5.1 Introduction, 106
5.2 The classification of broad climatic zones, 107
5.3 Patterning in global weather systems; the engines of the atmosphere, 107
5.4 Precipitation, 110
5.5 Radiation, 113
5.6 Wind, 121
5.7 Landscape effects, 132
5.8 Latitude effects, 134
5.9 References, 134
5.10 Designers' checklist, 135.

CHAPTER 6 TREES AND THEIR ENERGY TRANSACTIONS, 137
6.1 Introduction, 138
6.2 The biomass of the tree, 138
6.3 Wind effects, 139
6.4 Temperature effects, 142
6.5 Trees and precipitation, 142
6.6 How a tree interacts with rain, 147
6.7 Summary, 150
6.8 References, 151

CHAPTER 7 WATER, 152
7.1 Introduction, 152
7.2 Regional intervention in the water cycle, 153
7.3 Earthworks for water conservation and storage, 155
7.4 Reduction of water used in sewage systems, 170
7.5 The purification of polluted waters, 172
7.6 Natural swimming pools, 180
7.7 Designers' checklist, 181
7.8 References, 181.

CHAPTER 8 SOILS, 182
8.1 Introduction, 182
8.2 Soils and health, 184
8.3 Tribal and traditional soil classifications, 185
8.4 The structure of soils, 186
8.5 Soil and water elements, 187
8.6 Primary nutrients for plants, 187
8.7 The distribution of elements in the soil profile, 188
8.8 pH and soils, 195
8.9 Soil composition, 199
8.10 Soil pores and crumb structure, 201
8.11 Gaseous content and processes in soils, 204
8.12 The soil biota, 205
8.13 Difficult soils, 208
8.14 Plant analysis for mineral deficiencies; some remedies, 209
8.15 Biological indicators of soil and soil conditions, 212
8.16 Seed pelleting, 214
8.17 Soil erosion, 214
8.18 Soil rehabilitation, 215
8.19 Soils in house of foundations, 221
8.20 Life in earth, 222
8.21 The respiration of earth, 224
8.22 Designers' checklist, 225
8.23 References, 226.