River excess yields and compliance with at least the NOF C-band attribute states pertaining to nitrogen and phosphorus

License: CC BY 4.0

Date: 25 November 2023 Version: v2

Description

There is one layer (NutrientsRivers).

Attributes:

  • NutrientsRivers.nzsegment: The unique DN2.4 segment identifier
  • NutrientsRivers.TP: Current estimated median TP concentration (mg/m3) for this segment
  • NutrientsRivers.TN: Current estimated median TN concentration (mg/m3) for this segment
  • NutrientsRivers.NO3N: Current estimated median NO3N concentration (mg/m3) for this segment
  • NutrientsRivers.NO3NinTN: Current estimated ratio of NO3N to TN for this segment
  • NutrientsRivers.TN_Yld: Current estimated TN yield (kg/ha/year) for this segment
  • NutrientsRivers.TP_Yld: Current estimated TP yield (kg/ha/year) for this segment
  • NutrientsRivers.TN_crt: In river periphyton TN criteria (mg/m3) for this segment
  • NutrientsRivers.TP_crt: In river periphyton TP criteria (mg/m3) for this segment
  • NutrientsRivers.TN_com: The probability that the current state as defined by the estimated TP concentration complies with the periphyton criteria for the NOF C-band for this segment
  • NutrientsRivers.TP_com: The probability that the current state as defined by the estimated NO3N concentration complies with the nitrate toxicity criteria for the NOF B-band (Note: B-band is bottom line for Nitrate toxicity) for this segment)
  • NutrientsRivers.NO3N_com: The probability that the current state as defined by the estimated TN concentration complies with the periphyton criteria for the NOF C-band for this segment
  • NutrientsRivers.NO3N_lim: The probability that the nitrate toxicity criteria is the most limiting critieria for this segment
  • NutrientsRivers.TN_Excs: The best estimate of the excess TN load for this segment as kg TN/ ha/year
  • NutrientsRivers.TP_Excs: The best estimate of the excess TP load for this segment as kg TN/ ha/year

 

Resource attributes

Information type Spatial layer
Technical format Shapefile
Data units / categories
Spatial reference / projection NZTM