Lake InawashiroASI-14

Title : Transparency, pH, SS, DO, COD, TN, and TP (1985)

Classification of data : E1-E8 Typical Water Quality Parameters

File Name : asi-14-e.txt

            E1 TRANSPARENCY [m]

SITE: Station 1
YEAR: 1985


E2 pH

5
Month     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec
----------------------------------------------------------------------------------------------------------
Depth [m]
  0.5      -       -       -       -      4.9     4.9     4.8     4.8     4.7     4.9     5.0      -
   10      -       -       -       -      5.0     4.9     4.8     4.8     4.7     4.9     5.0      -
   20      -       -       -       -      5.0     4.9     4.9     4.9     4.8     5.0     5.1      -
   50      -       -       -       -      5.0     5.0     5.0     4.9     4.8     5.0     5.2      -


E3 SS [mg l-1]

Month     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec
----------------------------------------------------------------------------------------------------------
Depth [m]
  0.5      -       -       -       -       <1      <1      <1      <1      <1      <1      1       -
   10      -       -       -       -       <1      <1      <1      <1      <1      <1      1       -
   20      -       -       -       -       <1      <1      1       <1      <1      <1      1       -
   50      -       -       -       -       <1      <1      <1      <1      <1      <1      <1      -


E4 DO [mg l-1]

Month     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec
----------------------------------------------------------------------------------------------------------
Depth [m]
  0.5      -       -       -       -       10      10     9.5     8.7     8.5      10     9.8      -
   10      -       -       -       -       11      10     9.9     9.2     8.8      10     9.9      -
   20      -       -       -       -       11      11      11      11      11      11     9.9      -
   50      -       -       -       -       11      11      11      11      11      11      11      -


E5 COD [mg l-1]

Determined by KMnO4 method

Month     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec
----------------------------------------------------------------------------------------------------------
Depth [m]
  0.5      -       -       -       -      0.6     <0.5    <0.5    <0.5    <0.5    <0.5    0.6      -
   10      -       -       -       -      <0.5    <0.5    <0.5    <0.5    <0.5    <0.5    0.5      -
   20      -       -       -       -      <0.5    <0.5    <0.5    <0.5    <0.5    <0.5    <0.5     -
   50      -       -       -       -      <0.5    <0.5    <0.5    <0.5    <0.5    <0.5    <0.5     -


E6 CHLOROPHYLL CONCENTRATION [micro l-1]

Month     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec
----------------------------------------------------------------------------------------------------------
Depth [m]
  0.5      -       -       -       -       <1      <1      <1     3.0     2.0     1.0      -       -


E7 NITROGEN CONCENTRATION

Total-N [mg l-1]

Month     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec
----------------------------------------------------------------------------------------------------------
Depth [m]
  0.5      -       -       -       -      0.26    0.31    0.38    0.29    0.26    0.27     -       -
   10      -       -       -       -      0.28    0.30    0.35    0.31    0.23    0.26     -       -
   20      -       -       -       -      0.26    0.28    0.41    0.33    0.24    0.27     -       -
   50      -       -       -       -      0.25    0.27    0.38    0.28    0.30    0.33     -       -


E8 PHOSPHORUS CONCENTRATION

Total-P [mg l-1]

Month     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec
----------------------------------------------------------------------------------------------------------
Depth [m]
  0.5      -       -       -       -       -       -     <.003   <.003    .005   <.003     -       -
   10      -       -       -       -       -       -     <.003   <.003    .005   <.003     -       -
   20      -       -       -       -       -       -     <.003   <.003    .005   <.003     -       -
   50      -       -       -       -       -       -     <.003   <.003    .005   <.003     -       -