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Anomaly (natural sciences)

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used in forming an anomaly time-series may either be constant or may themselves be a time series or a map. For example, if the original time series consisted of daily mean temperatures, the effect of seasonal cycles might be removed using a
336: 17: 310: 287: 300: 106: 250: 240: 139: 131: 210: 198: 181:, gravity anomaly that has been computed for latitude and corrected for elevation of the station 204: 51: 207:, territory rich in iron ores located within Kursk Oblast, Belgorod Oblast, and Oryol Oblast 331: 127: 35: 8: 341: 255: 230: 126:
is often used as the expected value. Famous atmospheric anomalies are for instance the
235: 67: 43: 306: 283: 225: 98: 92: 59: 55: 192: 189:, an unusual abundance of what is normally a very rare element in the Earth's crust 178: 87: 31: 62:
difference between a measurement and a trend or a model prediction. Similarly, a
186: 172: 166: 70:. A group of anomalies can be analyzed spatially, as a map, or temporally, as a 154: 39: 325: 245: 169:, difference between the observed gravity and a value predicted from a model 213:, large buried geologic structure in the Temagami region of Ontario, Canada 123: 150: 71: 135: 146: 102: 75: 78:. There are examples in atmospheric sciences and in geophysics. 143: 305:. Springer Science & Business Media. August 15, 2008. 323: 195:, local variation in the Earth's magnetic field 122:In the atmospheric sciences, the climatological 280:Statistical Methods in the Atmospheric science 157:can also be used to derive a climate anomaly. 149:by modification of the exit of the Atlantic 134:index. SOI is the atmospheric component of 74:. It should not be confused for an isolated 105:, are sometimes used as the basis of the 274: 272: 270: 117: 14: 324: 267: 302:Dictionary of Global Climate Change 58:from its expected value, e.g., the 24: 25: 353: 251:Least-squares spectral analysis 66:equals an anomaly divided by a 337:Climate and weather statistics 293: 241:Innovation (signal processing) 101:, resistant to the effects of 81: 13: 1: 261: 160: 142:plays an important role for 7: 219: 112: 88:location and scale measures 10: 358: 132:North Atlantic oscillation 315:– via Google Books. 211:Temagami Magnetic Anomaly 199:Bangui magnetic anomaly 175:, anomaly in gravimetry 205:Kursk Magnetic Anomaly 27:A persisting deviation 130:index (SOI) and the 128:Southern Oscillation 118:Atmospheric sciences 64:standardized anomaly 278:Wilks, D.S. (1995) 256:Temperature anomaly 231:Climate oscillation 201:, in central Africa 18:Atmospheric anomaly 282:, Academic Press. 236:Frequency spectrum 68:standard deviation 44:applied statistics 226:Bias (statistics) 99:Robust statistics 93:deseasonalization 56:physical quantity 16:(Redirected from 349: 317: 316: 297: 291: 276: 193:Magnetic anomaly 179:Free-air anomaly 50:is a persisting 34:, especially in 32:natural sciences 21: 357: 356: 352: 351: 350: 348: 347: 346: 322: 321: 320: 313: 299: 298: 294: 277: 268: 264: 222: 187:Iridium anomaly 173:Bouguer anomaly 167:Gravity anomaly 163: 120: 115: 84: 28: 23: 22: 15: 12: 11: 5: 355: 345: 344: 339: 334: 319: 318: 311: 292: 265: 263: 260: 259: 258: 253: 248: 243: 238: 233: 228: 221: 218: 217: 216: 215: 214: 208: 202: 190: 184: 183: 182: 176: 162: 159: 155:climate normal 119: 116: 114: 111: 107:transformation 83: 80: 40:Earth sciences 26: 9: 6: 4: 3: 2: 354: 343: 340: 338: 335: 333: 330: 329: 327: 314: 312:9780585295732 308: 304: 303: 296: 289: 288:0-12-751965-3 285: 281: 275: 273: 271: 266: 257: 254: 252: 249: 247: 246:Least squares 244: 242: 239: 237: 234: 232: 229: 227: 224: 223: 212: 209: 206: 203: 200: 197: 196: 194: 191: 188: 185: 180: 177: 174: 171: 170: 168: 165: 164: 158: 156: 152: 148: 145: 141: 137: 133: 129: 125: 110: 108: 104: 100: 96: 94: 89: 79: 77: 73: 69: 65: 61: 57: 53: 49: 45: 41: 37: 33: 19: 301: 295: 279: 124:annual cycle 121: 97: 85: 63: 47: 29: 332:Time series 151:storm track 82:Calculation 72:time series 36:atmospheric 342:Geophysics 326:Categories 262:References 161:Geophysics 60:systematic 42:involving 290:(page 42) 52:deviation 220:See also 144:European 138:, while 113:Examples 103:outliers 95:filter. 147:weather 136:El Niño 76:outlier 48:anomaly 30:In the 309:  286:  54:in a 46:, an 307:ISBN 284:ISBN 153:. A 86:The 38:and 140:NAO 328:: 269:^ 109:. 20:)

Index

Atmospheric anomaly
natural sciences
atmospheric
Earth sciences
applied statistics
deviation
physical quantity
systematic
standard deviation
time series
outlier
location and scale measures
deseasonalization
Robust statistics
outliers
transformation
annual cycle
Southern Oscillation
North Atlantic oscillation
El Niño
NAO
European
weather
storm track
climate normal
Gravity anomaly
Bouguer anomaly
Free-air anomaly
Iridium anomaly
Magnetic anomaly

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