MLM:Maludam
General site detail (Updated 4 Feb 2016) Site name
| Maludam | AsiaFlux site code
| MLM
| | Location | Betong, Sarawak | | Position | 01º27'55”N, 111º09'20”E | | Elevation | 24.69 | | Slope | - | Terrain type
| Almost flat | | Area | 43147 ha | | Fetch | 367-1100 m
| | Climate | Tropical rainforest climate (moderately hot - very humid - receives substantial rainfall (Af)) | Mean annual air temperature
| 27.0 C | Mean annual precipitation
| 4204 mm | Vegetation type
| Alan batu swamp forest | Domestic species (Overstory)
| Alan batu (Shorea albida) | Dominant species (Understory)
| Pandan plants (Pendanus sp.)
| Canopy height
| 30 m | | Age | - | | LAI | -
| Soil type
| Peat soil |
ObservationsEddy Covariance method (CO 2) | System | Open-path system | Wind speed
| 3-dimensional sonic anemometer (CSAT3, Campbell, USA) | Air temperature
| 3-dimensional sonic anemometer (CSAT3, Campbell, USA) | Water vapor
| Open-path CO2/ H2O analyzer (LI-7500, LICOR) | | CO2 | Open-path CO2/ H2O analyzer (LI-7500, LICOR) | Measurement height
| 41 m | Sampling frequency
| 10 Hz | Averaging time
| 30min | Data logger
| CR3000 (Campbell, USA) | Data storage
| CF | Original data
| Raw
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Meteorology Observation items
| Levels/ Depth
| Instrument
| Global solar radiation(incoming)
| 41 m | Net Radiometer (CNR4, Kipp & Zonen, The Netherlands) | Global solar
radiation (outgoing)
| 41 m | Net Radiometer (CNR4, Kipp & Zonen, The Netherlands) | Long-wave radiation(incoming)
| 41 m | Net Radiometer (CNR4, Kipp & Zonen, The Netherlands) | | Long-wave radiation(outgoing) | 41 m | Net Radiometer (CNR4, Kipp & Zonen, The Netherlands) | Net radiation
| 41 m | Net Radiometer (CNR4, Kipp & Zonen, The Netherlands) | PPFD (incoming)
| 41 m | Quantum sensor (LI-190SB or LI190SL, LI-COR, USA) | PPFD (outgoing)
| 41 m | Quantum sensor (LI-190SB or LI190SL, LI-COR, USA) | Direct / diffuse radiation
| - | | Direct / diffuse PPFD
| - | | Air temperature
| 5, 41 m | Temperature & Relative Humidity (RH) probe (CS215, Campbell, USA) | | Humidity | 5, 41 m | Temperature & Relative Humidity (RH) probe (CS215, Campbell, USA) | Soil temperature
| 0.05,0.1 m | Platinum resistance thermometer (Pt100, Japan) | Soil heat flux
| - | | Soil water
content
| 0.15, 0.3 m | TDR sensor (CS616, Campbell, USA)
| Wind speed
| 41 m
| 01003-5 Wind velocity & direction, Campbell, USA
| Wind direction
| 41 m | 01003-5 Wind velocity & direction, Campbell, USA | Barometric
pressure
| - | | | Precipitation | 1 m | Tipping-bucket rain gauge (TE525MM, Texas Instrument, USA) | CO2 concentration
| 41,21,11,3,1,0.5 m | Closed-path CO2 analyzer (Li-820) |
Other Soil respiration
| Closed chamber method (CO2, CH4, N2O), Measuring system: Manually Measuring intervals; Monthly | | Ecological Investigations | Tree diameter, species (2009,2010) |
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Observation Period and Data Availability Measurement Period
| From January, 2011 to present | Measurement Frequency
| Continuous | Data Availability
| N/A |
Contact Lulie Melling (lullie_melling@yahoo.com)
Tropical Peat Research Laboratory Unit,
Chief Minister’s Department,
Lot 6035, Kuching-Kota Samarahan Expressway,
94300 Kota Samarahan
Tel:+60-82-662-495 Fax:+60-82-662-497 | Wong Guan Xhuan (jiaxiang31 [at] hotmail.com)
Edward Baran (edward.b.aeries [at] gmail.com)
Kevin Kemudang (kevin77_k [at] yahoo.com) |
Calibration Information
| CO2 analyzers were calibrated every months using spans gases. |
Infrastructure| Tower, Solar energy system |
Research Fund
| Malaysian Government, Sarawak State Government |
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