SITE: PRIMET EASTING: 559563 NORTHING: 4895461 ELEV: 430 SLOPE: 0 ASPECT: - RADIATION REGIME: J F M A M J J A S O N D TOTAL INSOLATION* 2.86 5.37 9.31 14.15 17.18 20.61 22.06 19.79 14.65 7.93 3.56 2.50 % BLKD BY TOPO 0.245 0.190 0.124 0.102 0.100 0.088 0.082 0.081 0.102 0.138 0.211 0.232 % BLKD BY CANOPY 0.010 0.024 0.050 0.049 0.042 0.047 0.046 0.045 0.037 0.032 0.004 0.024 * DIFFUSE & DIRECT, MJ.m-2.day-1 (INCLUDING CLOUDINESS, TOPOGRAPHY, AND CANOPY) CANOPY: None overhead, though insolation affected slightly from trees on adjacent hillsides. CONTINUOUS, OPEN CANOPY TYPE. SURFACE: Short grass/dirt, generally clear of vegetation. SENSOR: Cotton shelter, enclosed sensor (1.5 m). Also a thermister tower (1.5, 2.5, 3.5, 4.5 m), but long-term sensor is enclosed one. GENERAL SITE CHARACTERISTICS: Level, open MET site at HJA headquarters, one of the long-term benchmark sites in the HJ Andrews. Long-term temperature measurements are from an enclosed sensor in a cotton shelter. Site is close to Lookout Creek, at the bottom of the valley; cold-air drainage possibly influences this site. Little difference between topographic and canopy insolation blocking, except during winter months. Trees to north much closer than trees to the south. Along with CS2MET, appears have cooler and somewhat unusual long-term temperature trends compared to the rest of the HJ Andrews. DATES OF OPERATION: 05/70-present SITE USED IN ANALYSIS? SITE: CS2MET EASTING: 560044 NORTHING: 4895780 ELEV: 460 SLOPE: 5 ASPECT: 355 RADIATION REGIME: J F M A M J J A S O N D TOTAL INSOLATION* 1.18 1.76 2.45 4.84 7.19 8.46 8.78 7.70 4.37 1.93 1.26 1.08 % BLKD BY TOPO 0.194 0.129 0.092 0.072 0.071 0.059 0.053 0.055 0.075 0.105 0.157 0.263 % BLKD BY CANOPY 0.537 0.631 0.704 0.625 0.556 0.570 0.575 0.563 0.637 0.705 0.603 0.471 * DIFFUSE & DIRECT, MJ.m-2.day-1 (INCLUDING CLOUDINESS, TOPOGRAPHY, AND CANOPY) CANOPY: Closest site to having 45 degree cone overhead. Canopy slightly more open to the east than other directions. CONTINUOUS, OPEN CANOPY TYPE. SURFACE: Tends to be bushy with thick short shrubbery and grass. SENSOR: 1.3 m thermister, shielded above with PVC. GENERAL SITE CHARACTERISTICS: The longest running site in the HJ Andrews. Surrounded on all sides by thick forest with tall trees, located directly in middle of clearing (15-20m from trees). Located in a clearing up and across the main road from Lookout Creek, with cold-air drainage possibly affecting temperature regime. Surrounding forest plays a major role in insolation regime, though site is completely open directly above. Along with PRIMET, , appears have cooler and somewhat unusual long-term temperature trends compared to the rest of the HJ Andrews. DATES OF OPERATION: 10/49-present SITE USED IN ANALYSIS? SITE: CENMET EASTING: 586680 NORTHING: 4899065 ELEV: 1018 SLOPE: 12 ASPECT: 260 RADIATION REGIME: J F M A M J J A S O N D TOTAL INSOLATION* 2.95 5.30 9.09 13.92 17.09 20.59 22.21 20.05 14.63 7.74 3.62 2.56 % BLKD BY TOPO 0.114 0.107 0.104 0.093 0.075 0.063 0.061 0.071 0.090 0.102 0.103 0.110 % BLKD BY CANOPY 0.062 0.063 0.050 0.032 0.027 0.028 0.025 0.020 0.030 0.053 0.069 0.067 * DIFFUSE & DIRECT, MJ.m-2.day-1 (INCLUDING CLOUDINESS, TOPOGRAPHY, AND CANOPY) CANOPY: None overhead, open site, though insolation affected slightly from trees on adjacent hillsides. CONTINUOUS, OPEN CANOPY TYPE. SURFACE: Short grass, dirt. SENSOR: 1.5 m thermister, shielded above with PVC, on thermister tower (1.5, 2.5, 3.5, 4.5 m sensors). GENERAL SITE CHARACTERISTICS: One of the benchmark MET sites. Insolation topographically blocked to east and southeast, with closest forest in those directions, on top of clear-cut hill. This prominent forest wall possibly affects temperature regime and wind patterns. In a large clear-cut. DATES OF OPERATION: 08/95-present SITE USED IN ANALYSIS? SITE: VANMET EASTING: 567832 NORTHING: 4902239 ELEV: 1273 SLOPE: 13 ASPECT: 180 RADIATION REGIME: J F M A M J J A S O N D TOTAL INSOLATION* 3.57 6.44 10.75 15.64 18.52 22.08 23.92 22.16 17.23 9.58 4.50 3.15 % BLKD BY TOPO 0.043 0.032 0.032 0.024 0.024 0.020 0.019 0.018 0.021 0.029 0.046 0.053 % BLKD BY CANOPY 0.025 0.030 0.022 0.028 0.019 0.016 0.014 0.020 0.026 0.023 0.016 0.016 * DIFFUSE & DIRECT, MJ.m-2.day-1 (INCLUDING CLOUDINESS, TOPOGRAPHY, AND CANOPY) CANOPY: The most open site in the HJ Andrews. Horizon visible east-south-west. Trees not a factor for insolation. SURFACE: Mixed short grass, brush, dirt SENSOR: 1.5 m thermister, shielded above with PVC, on thermister tower (1.5, 2.5, 3.5, 4.5 m sensors). Recording sensor height varied during operating period between .5 and 2.5 m. GENERAL SITE CHARACTERISTICS: One of the benchmark MET sites. On a south-facing slope with horizon fully visible in that direction. Sparse forest begins 20-30 m to the north. In a large clear-cut with an expansive view. DATES OF OPERATION: 06/87-present SITE USED IN ANALYSIS? SITE: UPLMET EASTING: 570331 NORTHING: 4895053 ELEV: 1292 SLOPE: 13 ASPECT: 72 RADIATION REGIME: J F M A M J J A S O N D TOTAL INSOLATION* 3.22 5.75 9.73 14.80 17.78 20.61 21.91 20.29 15.23 8.14 4.01 2.77 % BLKD BY TOPO 0.056 0.045 0.049 0.036 0.035 0.031 0.027 0.029 0.036 0.042 0.059 0.065 % BLKD BY CANOPY 0.085 0.075 0.060 0.044 0.049 0.082 0.086 0.050 0.039 0.069 0.062 0.078 * DIFFUSE & DIRECT, MJ.m-2.day-1 (INCLUDING CLOUDINESS, TOPOGRAPHY, AND CANOPY) CANOPY: None overhead, open site, though insolation affected slightly from trees on adjacent hillsides. CONTINUOUS, OPEN CANOPY TYPE. SURFACE: Mixed short grass, brush, dirt. SENSOR: 1.5 m thermister, shielded above with PVC, on thermister tower (1.5, 2.5, 3.5, 4.5 m sensors). GENERAL SITE CHARACTERISTICS: The highest of the benchmark MET sites. On gentle east-facing slope, with horizon visible in all directions, though slight topographic shading to the southwest in winter. Very open, in a large clear-cut. Presence of young trees growing in clearcut provides some insolation blockeage; nearest forest starts due east 70-80 m. Due to openness and reliability of insolation and temperature data, this site was used to determine percentages of diffuse and direct radiation for each month in the study. DATES OF OPERATION: 10/94-present SITE USED IN ANALYSIS? SITE: H15MET EASTING: 565859 NORTHING: 4901219 ELEV: 922 SLOPE: 15 ASPECT: 240 RADIATION REGIME: J F M A M J J A S O N D TOTAL INSOLATION* 1.57 2.62 4.40 7.09 9.34 13.46 14.46 10.76 7.49 3.72 1.82 1.39 % BLKD BY TOPO 0.065 0.055 0.055 0.043 0.045 0.045 0.031 0.032 0.040 0.050 0.062 0.074 % BLKD BY CANOPY 0.539 0.580 0.577 0.537 0.483 0.374 0.382 0.505 0.555 0.596 0.573 0.534 * DIFFUSE & DIRECT, MJ.m-2.day-1 (INCLUDING CLOUDINESS, TOPOGRAPHY, AND CANOPY) CANOPY: None directly overhead, but site surrounded by moderate forest. CONTINUOUS, OPEN CANOPY TYPE. SURFACE: Gravel and dirt. SENSOR: 1.5 m thermister, shielded above with PVC. Recording sensor height varied during period of operation between 1.5 m (6 years) and 4.8 m (1.5 years). GENERAL SITE CHARACTERISTICS: At the confluence of 2 roads in moderate forest. Site is thus unusual by having large open areas radiating out from it through the surrounding forest. Attenuation is completely by surrounding trees, about 20 m from sensor in each direction. More open to direct radiation from the southwest for most months (direct sun in the mornings). During June and July site receives direct radiation through much of the day but during other months sun is blocked by forest wall to the south. DATES OF OPERATION: 03/92-present SITE USED IN ANALYSIS?