Skip to main content

Science – Society – Technology

Table 13 Model-derived production and scavenging rates (atoms kg−1 s−1) for radium in the Bruchsal geothermal system

From: Water–rock interactions in the Bruchsal geothermal system by U–Th series radionuclides

Water–rock interaction processes 226Ra 228Ra 223Ra 224Ra
 Supply from alpha-recoil in consideration of the diffusional flux
  P*r 244 56 0.7 10
 Production from desorption
  Pd 1268 1 0.0 0.0
 Production from dissolution
  Pw 72,391 102 0.0 0.0
 Scavenging from adsorption
  Sa 1276 2 0.0 0.0
 Scavenging from precipitation
  Sp 72,585 141 0.0 0.0
 Supply by water flow
  Q − 13 0.0 0.0 0.0
 Steady-state activity
  ARa 29 16 0.7 10