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Show: CSPs: Kinetic energy of raindrops in the CSPs: characteristics of rain events

Title:
CSPs: Kinetic energy of raindrops in the CSPs: characteristics of rain events
Access rights:
Free for public
Usage rights:
Permission is granted to anybody to access, use and publish all open for public data freely. The commercial use of any data is prohibited. The quality and completeness of data cannot be guaranteed. Users employ these data at their own risk. In order to make attribution of use for owners of the data possible, the identifier of ownership of data must be retained with every data record. Users must publicly acknowledge, in conjunction with the use of the data, the data owners. Cite the data as follows: Geißler, C., Scholten, T. and Kühn, P. (2009): Rainfall for rain events within splashcups measurements for kinetic energy of raindrops. BEF-China data portal (Accessed through URL http://china.befdata.biow.uni-leipzig.de/datasets/58)
Published:
No information available
Abstract:
Rain was captured in open field and in vegetated conditions parallel to measurements in the Comparative study plots (CSPs). Throughfall as well as sandloss from splashcups can be used to derive kinetic energy from raindrops.
Design:
The splash cups consist of a PE flask to which a carrier system has been attached. In this carrier system a cup filled with a unit sand of 125-200 µm particle size is inserted. At the bottom of the cup a silk cover prevents loss of sand and guarantees free drainage of water from the cup to the carrier and vice versa. Cup and PE flask are hydraulically connected by a cotton wick to ensure constant moisture content throughout the time of measuring, as the initial water content is a crucial point in splash erosion studies (Poesen and Savat 1981). Additionally, vents in the carrier system ensure that the pressure arising from the insertion of the cup does not lead to loss of sand. The vent in the PE flask guarantees the free drainage of excess water which may accumulate during high intensity rainfall events.
Spatial extent:
The Gutianshan National Nature Reserve (NNR) is located in the western part of Zhejiang Province (29º8'18" – 29º17'29" N, 118º2'14" – 118º11'12" E, Fig. 1). The Gutianshan NNR has an area of approximately 81 km2 and was initially established as a National Forest Reserve in 1975 and became a National Nature Reserve in 2001.
Temporal extent:
No information available
Taxonomic extent:
no organisms, only vegetated and bare plots
Measurement cirumstances:
No information available
Data analysis:
This file serves as lookup for rain event intensity for the files on "Splashcup data CSPs: kinetic Energy of raindrops".

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Dataset column

Name:
event
Definition:
event no --event no -- running number of rainfall events
Unit:
No information available
Datagroup:
Rainevent for determinig kinetic energy of rainfalls
Keywords:
precipitation
Values:
12
11
10
1
13
Contributors:
No information available

Dataset column

Name:
camp
Definition:
campaign no --campaign -- running number of campaigns (1=2008, 2=2009, 3=2010)
Unit:
No information available
Datagroup:
Helper
Keywords:
No information available
Values:
2
1
3
Contributors:
No information available

Dataset column

Name:
begin
Definition:
measurement begin --event begin -- start date of event (yyyy/mm/dd; hh:ss)
Unit:
No information available
Datagroup:
Date time information
Keywords:
date
Values:
2008-08-27 12:00:00
2008-08-30 12:00:00
2008-09-10 12:00:00
2008-08-24 12:00:00
2008-09-03 12:00:00
Contributors:
No information available

Dataset column

Name:
end
Definition:
measurement end --event end -- end date of event (yyyy/mm/dd; hh:ss)
Unit:
No information available
Datagroup:
Date time information
Keywords:
No information available
Values:
2008-08-31 12:00:00
2008-09-05 12:00:00
2008-08-28 12:00:00
2008-08-26 12:00:00
2008-09-11 12:00:00
Contributors:
No information available

Dataset column

Name:
type
Definition:
type of measurement --type of measurement -- splash cups random (SCR), splash cups species-specific (SCS), Laser precipitation monitor (LPM)
Unit:
No information available
Datagroup:
Helper
Keywords:
No information available
Values:
SCB, SCS
SCS
Contributors:
No information available

Dataset column

Name:
sc
Definition:
sc amount (n) --sc amount (n) -- total amount of splash cups for the specified event
Unit:
No information available
Datagroup:
Sample size
Keywords:
splashcup
Values:
225
135
300
110
120
Contributors:
No information available

Dataset column

Name:
loss_f
Definition:
average sandloss forest g m-2 -- --
Unit:
gramsPerSquareMeter
Datagroup:
Deriving kinetic energy from sand loss
Keywords:
erosion, kinetic energy, raindrop
Values:
4.31
32.8
37.31
13.73
28.83
Contributors:
No information available

Dataset column

Name:
loss_o
Definition:
average sandloss open field g m-2 -- --
Unit:
gramsPerSquareMeter
Datagroup:
Deriving kinetic energy from sand loss
Keywords:
No information available
Values:
17.91
16.69
1.8051595069026292
0.9025797534513146
18.773658871787344
Contributors:
No information available

Dataset column

Name:
am_b
Definition:
rainfall amount open field (collecting bottle) mm --rainfall amount (collecting bottle) -- measured by a rainfall collecting bottle
Unit:
millimeter
Datagroup:
Precipitation
Keywords:
precipitation
Values:
103.13
111.14
20.96
21.11
2.36
Contributors:
No information available

Dataset column

Name:
am_v
Definition:
rainfall amount open field (vaisala) mm --rainfall amount (vaisala) -- measured by the vaisala sensor
Unit:
millimeter per hour
Datagroup:
Precipitation
Keywords:
No information available
Values:
11.61
26.15
3.8
1.8
33.95
Contributors:
No information available

Dataset column

Name:
int_v
Definition:
average rainfall intensity open field (vaisala) mm/h --average rainfall intensity (vaisala) -- measured by the vaisala sensor
Unit:
millimeter per hour
Datagroup:
Precipitation
Keywords:
No information available
Values:
2.05
1.27
1.69
0.48
0.69
Contributors:
No information available

Dataset column

Name:
peak_v
Definition:
peak rainfall intensity open field (vaisala) mm/h --peak rainfall intensity (vaisala) -- measured by the vaisala sensor
Unit:
millimeter per hour
Datagroup:
Precipitation
Keywords:
No information available
Values:
10.08
12.72
24
41.16
1.68
Contributors:
No information available

Dataset column

Name:
top5_v
Definition:
average of the five highest five minute intensities open field (vaisala) --average of the five highest five minute intensities (vaisala) -- measured by the vaisala sensor
Unit:
millimeter per hour
Datagroup:
Precipitation
Keywords:
precipitation
Values:
18.65
33.79
32.98
1.18
4.61
Contributors:
No information available

Dataset column

Name:
am_t
Definition:
rainfall amount (tipping-bucket) mm --rainfall amount (tipping-bucket) -- measured by the tipping-bucket rain gauge
Unit:
millimeter
Datagroup:
Precipitation
Keywords:
No information available
Values:
39.9
22.3
2.8
83.7
70
Contributors:
No information available

Dataset column

Name:
int_t
Definition:
average rainfall intensity (tipping-bucket) mm/h --average rainfall intensity (tipping-bucket) -- measured by the tipping-bucket rain gauge
Unit:
millimeter per hour
Datagroup:
Precipitation
Keywords:
No information available
Values:
2.72
1.29
1.7
7.03
5.49
Contributors:
No information available

Dataset column

Name:
peak_t
Definition:
peak rainfall intensity (tipping-bucket) mm/h --peak rainfall intensity (tipping-bucket) -- measured by the tipping-bucket rain gauge
Unit:
millimeter per hour
Datagroup:
Precipitation
Keywords:
No information available
Values:
2.4
13.2
27.6
6
39.6
Contributors:
No information available

Dataset column

Name:
top5_t
Definition:
average of the five highest five minute intensities (tipping-bucket) --average of the five highest five minute intensities (tipping-bucket) -- measured by the tipping-bucket rain gauge
Unit:
millimeter per hour
Datagroup:
Precipitation
Keywords:
precipitation
Values:
24.72
11.04
1.68
4.8
34.32
Contributors:
No information available

Dataset column

Name:
wind_v
Definition:
average wind speed m/s --average wind speed -- measured by the vaisala sensor
Unit:
metersPerSecond
Datagroup:
Wind speed
Keywords:
wind speed
Values:
0.5
0.39
0.47
0.49
0.42
Contributors:
No information available

Dataset column

Name:
pwind_v
Definition:
peak wind speed m/s --peak wind speed -- measured by the vaisala sensor
Unit:
metersPerSecond
Datagroup:
Wind speed
Keywords:
No information available
Values:
1.1
3.8
2.2
1.9
5.5
Contributors:
No information available

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16 scholten medium

Thomas
Scholten

Owner of:
37 Datasets

Involved in:
5 Projects

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27 k%c3%bchn medium

Peter
Kühn

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29 Datasets

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2 Projects

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52 gei%c3%9fler medium

Christian
Geißler

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13 Datasets

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1 Projects

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