Big COHA logo
           
COHA Overview What's new on COHA COHA tour COHA site map Contact COHA staff
 
   Analysis by state
   Analysis by class I
   Analysis by region
   Descriptive maps
   Backtrajectories
   Trends analysis
   PMF Modeling
   Episode analysis
   Dust analysis
   Tribal analysis
   Fish & Wildlife
   Terms & acronyms
For best results,
please use:
Internet Explorer 5
(or higher)
Netscape 6
(or higher)
more info...
Trends Analysis for Aerosol Light Extinction Coefficients (1/Mm) in Middle 60% Days

Note: : Increase Trend   : Decrease Trend  The size of the arrow is related to the slope (1/Mm/Year).

           Red: P Value <= 0.05   Yellow: 0.05 < P Value <= 0.1    Light Blue: 0.1 < P Value <= 0.2   Dark Blue: P Value > 0.2

 
Year   1994 1995 1996 1997 1998 1999 2000 2001 2002 2003   Slope (1/Mm/Year) P-Value
BADL1

Badlands National Park

25.906 22.074 24.411 21.647 26.111 20.216 22.680 24.006 20.638 21.116   -0.433 0.108
BAND1 Bandelier National Monument 15.470 14.390 15.303 15.341 17.270 15.326 15.628 13.930 14.852 14.672   -0.077 0.242
BRCA1 Bryce Canyon National Park 13.207 11.716 12.437 11.169 11.835 12.636 11.322 12.214 12.054 10.589   -0.142 0.146
BRID1 Bridger Wilderness 10.784 9.525 11.262 9.686 12.220 11.811 10.015 10.568 9.944 9.364   -0.105 0.242
CANY1 Canyonlands National Park 14.913 12.361 13.813 14.590 14.105 12.241 12.041 12.704 13.389 11.017   -0.240 0.036
CHIR1 Chiricahua National Monument 16.713 15.351 16.646 15.754 17.876 15.865 16.392 13.740 16.421 14.465   -0.111 0.190
DENA1 Denali National Park 7.740 7.691 8.682 8.747 6.716 8.591 6.818 5.893 5.661 5.886   -0.264 0.014
GICL1 Gila Wilderness 16.023 16.117 14.635 16.560 15.731 15.327 15.616 13.172 12.616 12.025   -0.444 0.005
GLAC1 Glacier National Park 29.186 24.766 27.510 25.053 28.031 24.619 27.119 24.910 23.190 25.619   -0.345 0.108
GRBA1 Great Basin National Park 12.428 10.289 10.891 9.814 12.017 12.238 10.993 10.678 11.058 9.593   -0.103 0.242
GRSA1 Great Sand Dunes National Monument 13.727 12.629 12.644 13.587 15.490 13.248 15.481 14.610 14.605 13.968   0.167 0.146
INGA1 Indian Gardens 17.415 18.571 16.428 18.303 18.153 17.048 16.849 15.360 14.615 11.323   -0.565 0.002
JARB1 Jarbidge Wilderness 12.075 9.561 12.396 12.311 11.087 11.197 8.022 10.156 9.246 10.324   -0.296 0.078
LAVO1 Lassen Volcanic National Park 13.234 13.078 11.522 11.059 15.381 13.932 13.362 12.432 12.736 11.213   -0.115 0.242
MEVE1 Mesa Verde National Park 15.218 12.654 12.320 13.751 14.837 13.045 13.060 13.712 15.215 15.143   0.176 0.190
MORA1 Mount Rainier National Park 31.382 25.052 28.559 25.731 29.055 26.205 25.641 23.250 22.081 21.916   -0.957 0.005
PEFO1 Petrified Forest National Park 16.134 14.524 14.879 16.117 16.298 15.165 15.881 13.877 15.912 18.018   0.160 0.300
PINN1 Pinnacles National Monument 29.975 33.215 29.497 28.779 29.636 31.998 32.668 29.260 30.136 25.796   -0.126 0.242
PORE1 Point Reyes National Seashore 28.769 27.907 27.476 26.216 25.400 28.194 25.609 23.875 27.032 23.300   -0.527 0.008
REDW1 Redwood National Park 21.456 22.558 20.528 20.941 17.433 18.800 20.416 18.046 22.047 17.352   -0.428 0.054
ROMO1 Rocky Mountain National Park 15.121 13.381 13.509 13.505 15.837 12.916 13.634 13.620 14.518 14.287   0.040 0.300
SAGO1 San Gorgonio Wilderness 40.668 38.973 36.747 40.302 37.044 36.342 34.984 36.780 38.023 34.308   -0.547 0.023
SEQU1 Sequoia National Park 52.741 48.462 43.199 45.270 34.888 47.857 51.027 44.029 48.431 49.610   0.144 0.500
TONT1 Tonto National Monument 18.983 20.751 20.419 19.228 19.828 20.383 21.453 17.685 19.973 19.520   -0.062 0.431
WEMI1 Weminuche Wilderness 13.591 11.135 11.137 12.377 12.255 11.294 11.564 10.986 11.089 10.895   -0.194 0.023
YOSE1 Yosemite National Park 16.497 19.790 21.752 19.097 19.111 22.858 18.751 18.270 21.623 19.549   0.075 0.431