Figure 1

The emergy distribution of renewable natural resources in Hokkaido.
(a) Emergy density (E+14 sej/ha/yr) of solar radiation. (b) Emergy density (E+16 sej/ha) of geothermal heat flow. (c) Emergy density (E+14 sej/ha) of wind kinetic energy. (d) Emergy density (E+15 sej/ha) of rainfall chemical energy. (e) Emergy density (E+15 sej/ha) of rainfall geopotential energy. (f) Emergy density (E+16 sej/ha) of renewable flows. Figure 1 was created by ArcGIS v10.2 software (Environmental Systems Research Institute, Inc, USA, version 10.2, http://www.esri.com). Data Source: Japan Meteorological Agency (http://www.jma.go.jp/jma/index.html).