With field experiment and based on corresponding meteorological data, this paper studied the quality performance and climatic indexes of warm and cool season grass species in Beijing.

It's like looking up in the sky: Sometimes you feel a breeze coming from the south, but you look up in the sky and see a layer of clouds moving east, and another higher layer of clouds moving west.

Under this IDIQ contract, AAI’s Logistics & Technical Services team will provide contractor logistics support (CLS) for the AN/TMQ-53 Tactical Meteorological Observing System (TMOS).