Encyclopedia of Geography Terms, Themes, and Concepts

195–96; monsoon, 230; oceans, 247; rain
shadow effect, 277; thunderstorms, 341
The Preindustrial City(Sjoberg), 266
Preindustrial city model,266–67, 352
Preindustrial stage, 93
Presidential elections, 113
Pressure gradient, 367
Pressure systems.SeeWind and pressure
systems
Primary sector, 302–3
Primate city, 210,267–69, 350
Prime meridian, 201
Princip, Gavrilo, 190
Private property, 339
Private sector, 302
Probabilism, 117
Process, geomorphology and, 146
Professional organizations, 274
Projection, 143
Ptolemy, 48
Public sector, 302
Puerto Rico, 187
The Pulse of Asia(Huntington, E.), 117
Purchasing Power Parity (PPP), 111,269–70
Push-pull concept, 110, 228–29,
270–71, 320

Quantitative revolution, 16, 198, 211, 262,

273–75, 319

Quaternary sector, 304

Quebec, 102

The Queenly Science(Michener), 282

Quinary sector, 305

Radar, 285, 285t

Radiometer, 337–38

Railroads, 162

Rain measurement, 264–65

Rain shadow effect,277–79

Rama, Angel, 347

Ranching, 79

Range, 54

Raster data, 144

Ratzel, Friedrich, 17, 116, 148, 250–51,

253, 262

Ravenstein, Ernest, 270

Raw materials.SeeNatural resources

Realism, 286

Receiving unit, of GPS, 156

Recumbent fold, 123

Recycling, 334

Redlining, 306

Region,279–82; anticyclones, 15–16; vs. area,

280; areal differentiation, 16; balkanization

of, 25; buffer zones, 42; climate, 61–62;

complementarity, 71, 281; cultural ecology,

85; economic development, geography of,

110; electoral,112–13; foodways, 130;

friction of distance, 134; frosts, 13;

globalization, 154, 281; hydropolitics and,

39; imperialism, 187, 281; landscape, 197;

location, 210; map projections, 221; maps,

61i, 216, 280; medical geography, 222;

mental maps, 225; nation-state, 236, 279,

281; natural hazards, 239; population, 261;

pre-industrial city model, 267; push-pull

concept, 271; rural settlement, 288; satellite

state, 295; segregation, 305; spatial inequal-

ity, 317; spatial interaction models, 320;

squatter settlements, 321; supranationalism,

281, 329–30; toponymy, 344; urbanization,

352; von Thunen Model, 355; zoogeo-

graphic regions, 373

Regional geography, 279, 281–82

Reilly’s Model of Retail Gravitation, 320

Relative humidity, 176

Relative location, 210

Relict boundaries, 38

Religion, 25, 49, 88–89, 129–30, 186–87, 308

Religious syncretism, 79, 187,282–84, 347

Relocation diffusion, 80–81

Remote sensing,284–86; cartography, 50;

precipitation, 266; satellite images, 292;

techniques, 285t; temperature, 337; wind

erosion and deposition, 366

Renan, Ernest, 116

Renewable resources, 240

Rent gap hypothesis, 140

Repose, angle of, 363

Representative fraction (RF), 297

Revanchism.SeeIrredentism

Reverse fault, 124

Index 399