Vietnam Workshop

JBL Workshop Vietnam 2013

JBL Workshop Vietnam 2013

results

Seawater- Island of Hon Mun

water values/ location island of Hon Mun south side island of Hon Mun west side island of Hon Mun nourth side
date 06/05/13 05/05/13 03/05/13
time 12:15 11:40 12:00
GPS data N 12° 09.865 12° 09.848 12° 09.510
GPS data E 109° 18.651 109° 17.958 109° 18.330
weather sunny sunny few clouds
water temp. °C 29 28.8 29.6
Conductivity (mS/cm) 50.5 50.8 50.8
density 1.022 1.0225 1.023
oxygen 10 10 8
KH 7 8 6
pH 7.8 8.2 8
Fe 0 0 0
Ca 480 420 440
Mg 1020 1400 1460
current 27 (= 0.09 m/s) - -

Freshwater - Hon Ba Region

place Hon Ba Region (station 1) Hon Ba Region (station 2)
date 04/05/13 05/05/13
time 14:00 16:00
GPS data N 12° 08.234 12° 07.316
GPS data E 109° 02.173 109°00.273
weather cloudy rain/cloudy
water temp. °C 28 (pond 34) 22.6/26.6
conductance 37 µS 38 µS/50.1
oxygen 8 8
KH 0 1
GH 0 0
pH 7,1 (pond 6.3) 6.8/7
Fe 0.03 < 0.02
Fe marsh source: 0.9
current 2.9 m/s

Freshwater- Ba Ho River, Ba Ho Waterfall

place Ba Ho River Ba Ho Waterfall 1 Ba Ho Waterfall 2
date 07/05/13 08/05/13 08/05/13
time 11:00 14:15 13:05
GPS data N 12° 23.387 12° 23.387
GPS data E 109° 08.256 109° 08.256
weather few clouds cloudy cloudy
water temp. °C 28-29 28.7 28.5
conductance 53 µS 136 µS
oxygen 8 - > 10
KH 0 1 1
GH 0 1 0
pH 6.4 6.6-6.7 7.2
Fe 0.3 0.05 0.05
current 0.05 m/s

Freshwater - Ba Ho Waterfall

date 07/05/13 08/05/13 08/05/13
time 15:30 13:50 14:15
weather few clouds partially cloudy partially cloudy
water temp. °C 29.5 29 29
conductance 84 µS
oxygen > 10 > 10 > 10
KH 4 2 0
GH 9 0-1 0
pH 6.8 6.8 7.1
Fe 0.05 0.05 0.05
current 1.7 m/s

Land measurements - Herpetology

place Bao Dai / Nha Trang
date 09/05/13
time 15:15
GPS data N 12° 12' 37.68"
GPS data E 109° 12' 57.23"
weather partially cloudy
air temp. 30.4
air humidity 69%
surface temp. tree shade 41.2/sun 46.2
surface temp. light stone 37/41.8
surface temp. dark stone 37/53.6
surface temp. leaf 33.5/34.6
surface temp. dark ground 34/49
surface temp. (06:30 p.m.) sand in desert?/ 30.8
UVB 0.36 mW/qcm
lux 9000 - 15,000 depending on the cloudiness

UVA measurements

place Hon Ba station 1
measured value in µW/qcm 440 - 560

UVB measurements

Measuring point value in mW/qcm
above water 1.51
below surface 0.91
depth of 30 cm 0.75
depth of 50 cm 0.81
depth of 100 cm 0.71
depth of 200 cm 0.53
depth of 300 cm 0.46
depth of 400 cm 0.33

comparison Germany Neuhofen, 18/6/13

time value in mW/qcm
at 03:00 p.m. 0.82 mW/qcm

lux measurements

Measuring point lux
surface 106100
below surface 92000
30 cm 60000
50 cm 80000
back
results of the data logger re humidity and air temperature
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