Environmental noise mapping for major airports 2007 in the state of Brandenburg (Berlin-Schönefeld/BER)

The map shows isophone bands. These isophones are stored various topographical data relating to the Strategic Noise Charts.本地图展示了等声线带（isophone bands）。此类等声线存储有与战略噪声图（Strategic Noise Charts）相关的各类地形数据。