Volume 1 - The Atmospheric Studies Group at TRC

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. . VENTURA, CA 3798 UTM North (km) Zone 11N, Datum: NAS-C 3796 3794 3792 3790 3788 3786 3784 3782 3780 284 286 288 290 292 294 296 298 300 302 304 UTM East (km) Zone 11N, Datum: NAS-C 100 95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 Land Use Snow/Ice Tundra Barren Wetland Water Forest Range Agriculture Urban/Built-Up Sampler Locations Tracer Releases . . Figure 4-4. Geophysical properties of the site of the 1980/1981 Ventura, CA tracer experiments, as gridded for use in the CALMET/CALPUFF simulations. The grid cell size is 200m. Tracer concentrations were measured at the indicated sampler locations. Tracer release locations indicate boat positions used during each of the seven experiment-days in the evaluation dataset (2 locations are the same). Final Report Vol.1 46
Table 4-7 Source Characterization for Ventura, California Tracer Releases Date X* (km) Y* (km) Ht. (m) Elev. (m) Diam. (m) W (m/s) T (ºK) Hb (m) Lb (m) 1/6/1980 285.133 3792.012 8.1 0.0 .02 0.01 270.0 7.0 20.0 1/9/1980 284.675 3790.902 8.1 0.0 .02 0.01 270.0 7.0 20.0 1/13/1980 284.675 3790.902 8.1 0.0 .02 0.01 270.0 7.0 20.0 9/24/1981 283.297 3790.534 8.1 0.0 .02 0.01 270.0 7.0 20.0 9/27/1981 283.444 3791.646 8.1 0.0 .02 0.01 270.0 7.0 20.0 9/28/1981 283.444 3790.534 8.1 0.0 .02 0.01 270.0 7.0 20.0 9/29/1981 284.521 3787.935 8.1 0.0 .02 0.01 270.0 7.0 20.0 * Locations are in the UTM (Zone 11N) map projection with datum NAS-C All sampler locations are used as receptors, but additional ones are added to increase the density of receptor spacing along Arc 1 in each experiment. Intermediate receptors are placed at approximately 100m intervals, with elevations interpolated from the actual sampler elevations. One hundred twenty-seven (127) receptors are used in Arc 1, and 26 are used in Arc 2. Meteorological Processing Meteorological data files for applying CALMET/CALPUFF to the Ventura study are developed from files used to run OCD4. The “release” meteorology identified for OCD4 is used to construct representative SEA.DAT (over water) and SURF.DAT (over land) input files for the tracer-release days. Temperatures are measured at 7m above the water, and wind speed is measured at 20.5m. Because CALMET accepts a single measurement height for the speed and temperature in the SEA.DAT file, the wind speed is profiled from the anemometer height to 7m for use in the SEA.DAT file. Boundary layer parameters computed by OCD are used with Monin-Obukhov similarity profiles to compute the wind speed adjustment. Wind speeds at 20.5m are used in the SURF.DAT file. Wind directions used in the OCD4 datasets are those that align the source and the sampler with the peak concentration each hour. This allows the evaluation to focus on processes other than the net transport direction. These directions are used for all CALMET input files. The SEA.DAT station is placed at the release location appropriate for the time period, while the SURF.DAT station is placed onshore at (295, 3790). Final Report Vol.1 47
Page 1 and 2: Development of the Next Generation
Page 3 and 4: 1. INTRODUCTION The purpose of this
Page 5 and 6: • Prognostic Meteorological Model
Page 7 and 8: o 1: Maul (1980)-Carson (1973) o 2:
Page 9 and 10: into 50 tiles (90 RUC grid-points/t
Page 11 and 12: y H ( 1− 34.15z / L) 1/ 3 = (3-9)
Page 13 and 14: During execution, the bulk algorith
Page 15 and 16: Anemometer Height Adjustment for La
Page 17 and 18: T (ºK) g (m/s 2 ) temperature grav
Page 19 and 20: adjusted to account for the effect
Page 21 and 22: Two methods of supplying the timesc
Page 23 and 24: cell is the cell that determines th
Page 25 and 26: June 4 (1130-1230 CET) L. Turbulenc
Page 27 and 28: 4. MODEL PERFORMANCE EVALUATION 4.1
Page 29 and 30: The CALMET preprocessors TERREL, CT
Page 31 and 32: All sampler locations are used as r
Page 33 and 34: Table 4-2b Over-water Meteorologica
Page 35 and 36: Meteorological data used in the OCD
Page 37 and 38: . . CARPINTERIA, CA 3814 . UTM Nort
Page 39 and 40: Year Month Day Table 4-4 Over-water
Page 41 and 42: Datum: NAS-C (North American 1927)
Page 43 and 44: Table 4-5 Source Characterization f
Page 45 and 46: Table 4-6a Over-water Meteorologica
Page 47: Geophysical Processing Gridded land
Page 51 and 52: tape format called GF-3. These data
Page 53 and 54: . . Strait of Oresund 6230 6220 UTM
Page 55 and 56: . . Strait of Oresund 6230 6220 UTM
Page 57 and 58: Table 4-10 SEA.DAT Meteorological D
Page 59 and 60: the numbers refer to ICOARE values,
Page 61 and 62: that are simulated during the one-h
Page 63 and 64: 4.3 Evaluation Results Cameron, Car
Page 65 and 66: improve model performance relative
Page 67 and 68: Figure 4-7. Graphical depiction of
Page 75 and 76: Table 4-15 Performance Statistics f
Page 77 and 78: Performance of CALPUFF Configuratio
Page 81 and 82: Table 4-16 (continued) Performance
Page 85 and 86: into CALPUFF, and the simulations a
Page 87 and 88: Table 4-18 Oresund Results with Min
Page 89 and 90: Table 4-20 Oresund Results with Min
Page 93 and 94: 4.4 Recommendations A minimum σ v
Page 95 and 96: SEA.DAT and OZONE.DAT files are pro
Page 97 and 98: 36 34 32 30 Latitude 28 26 24 22 -1
Page 99 and 100:
WMO Number WBAN Number Station Iden
Page 101 and 102:
Page 103 and 104:
Page 105 and 106:
36 72363 72340 34 72249 72248 72235
Page 107 and 108:
36 34 32 41008 30 42035 42007 42040
Page 109 and 110:
36 34 32 30 Latitude 28 26 24 22 -1
Page 111 and 112:
COOP State Station Name Table 5-4.
Page 113 and 114:
COOP State Station Name Table 5-4.
Page 115 and 116:
Table 5-4. (Concluded) Hourly NWS P
Page 117 and 118:
Table 5-5. Ozone Stations Station I
Page 119 and 120:
Table 5-5. (Continued) Ozone Statio
Page 121 and 122:
Table 5-5. (Continued) Ozone Statio
Page 123 and 124:
36 317 339 361 383 405 427 449 471
Page 125 and 126:
- Figure 5-8. “Inputs/Outputs & R
Page 127 and 128:
6. REFERENCES Batchvarova, E. and S
Page 129 and 130:
Maat, N., C. Kraan, and W.A. Oost,
Page 131:
APPENDIX: COMPILATION OF A HIGH RES
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