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 Coarse Mass 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

3.225 2.311 3.697 3.360 2.698 3.413 2.417 3.322 3.498 3.062   0.021 0.431
BAND1 Bandelier National Monument 2.243 2.059 2.422 2.283 2.676 2.343 1.528 1.961 1.774 1.947   -0.056 0.108
BRCA1 Bryce Canyon National Park 2.260 1.610 2.029 1.766 1.635 2.332 1.434 1.636 2.144 1.440   -0.039 0.242
BRID1 Bridger Wilderness 1.697 1.338 1.538 1.701 1.593 1.965 0.913 1.104 0.994 0.884   -0.088 0.054
CANY1 Canyonlands National Park 3.282 2.815 2.992 3.828 2.654 2.530 1.730 1.823 2.225 2.126   -0.132 0.008
CHIR1 Chiricahua National Monument 3.183 3.407 3.217 2.678 3.348 3.201 3.334 2.537 4.213 3.209   0.002 0.500
DENA1 Denali National Park 1.538 1.650 2.154 2.418 1.175 1.243 0.745 0.681 0.660 0.641   -0.132 0.002
GICL1 Gila Wilderness 2.474 2.408 2.670 2.994 3.031 2.912 2.078 1.350 1.630 1.489   -0.119 0.078
GLAC1 Glacier National Park 3.345 2.664 3.498 3.347 4.030 3.801 3.587 2.758 2.298 2.951   -0.066 0.364
GRBA1 Great Basin National Park 2.322 1.932 2.229 1.693 2.367 1.749 1.580 1.563 1.786 1.367   -0.074 0.014
GRSA1 Great Sand Dunes National Monument 2.513 1.983 2.218 2.188 1.928 2.432 3.021 3.097 2.593 2.406   0.071 0.146
INGA1 Indian Gardens 3.038 3.836 4.549 4.111 3.561 2.529 2.154 2.384 2.663 1.797   -0.255 0.014
JARB1 Jarbidge Wilderness 3.114 1.887 2.893 3.768 2.203 2.994 1.059 1.737 1.783 2.226   -0.110 0.146
LAVO1 Lassen Volcanic National Park 1.753 1.143 1.345 1.086 1.639 1.639 1.130 1.101 1.343 0.611   -0.051 0.078
MEVE1 Mesa Verde National Park 2.776 1.749 1.538 1.495 1.627 1.690 1.299 1.619 2.732 2.923   0.016 0.431
MORA1 Mount Rainier National Park 2.271 1.736 1.517 2.003 2.025 1.588 1.285 1.317 1.068 1.603   -0.090 0.036
PEFO1 Petrified Forest National Park 2.018 1.819 2.793 2.277 2.548 1.757 1.902 2.052 2.479 3.772   0.086 0.190
PINN1 Pinnacles National Monument 4.689 4.603 4.236 4.165 3.590 4.254 3.860 4.219 3.897 3.314   -0.101 0.008
PORE1 Point Reyes National Seashore 5.197 4.285 5.571 5.450 4.773 6.071 5.178 4.732 5.052 4.732   -0.052 0.242
REDW1 Redwood National Park 3.799 3.968 2.336 3.377 2.792 2.765 2.750 1.942 2.389 2.002   -0.200 0.005
ROMO1 Rocky Mountain National Park 3.460 2.594 1.855 2.229 1.780 1.562 2.626 1.900 2.301 2.218   -0.082 0.242
SAGO1 San Gorgonio Wilderness 3.830 4.268 3.903 4.819 2.971 3.558 3.587 3.637 3.933 3.378   -0.050 0.242
SEQU1 Sequoia National Park 9.942 6.022 6.806 5.674 3.086 3.951 5.453 7.010 6.177 6.014   -0.113 0.300
TONT1 Tonto National Monument 3.360 4.224 5.429 4.156 3.797 4.174 3.504 3.217 4.324 3.884   -0.034 0.364
WEMI1 Weminuche Wilderness 3.070 1.871 1.849 2.276 1.789 1.737 1.173 1.275 1.677 1.585   -0.099 0.002
YOSE1 Yosemite National Park 2.105 2.732 2.657 2.530 2.056 2.360 1.876 2.129 2.637 2.012   -0.074 0.108