- Network weaknesses:
o Limited number of meteorological elements.
Meteorological measurements are taken at CARB sites in support of their overall mission of promoting and protecting public health, welfare and ecological resources in California through the reduction of air pollutants, while accounting for economical effects of such measures.
G.4. Clean Air Status and Trends Network (CASTNet)
- Purpose of network: provide information for evaluating the effectiveness of national emission-control strategies.
- Primary management agency: EPA.
- Data website: http://epa.gov/castnet/.
- Measured weather/climate elements:
o Air temperature.
o Precipitation.
o Relative humidity.
o Wind speed.
o Wind direction.
o Wind gust.
o Gust direction.
o Solar radiation.
o Soil moisture and temperature.
- Sampling frequency: hourly.
- Reporting frequency: hourly.
- Estimated station cost: $13000.
- Network strengths:
o High-quality data.
o Sites are well maintained.
