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ITS » Proceeding » S2 - Teknik Geomatika
Posted by lmjaelani@geodesy.its.ac.id at 17/11/2015 10:45:14  •  756 Views


ESTIMATING NET PRIMARY PRODUCTIVITY NPP ON TROPICAL RAIN FOREST USING MICROMETEOROLOGICAL MODEL

ESTIMATING NET PRIMARY PRODUCTIVITY NPP ON TROPICAL RAIN FOREST USING MICROMETEOROLOGICAL MODEL

Author :
JAELANI, LALU MUHAMAD ( 198012212003121001 )
LIOU, YUEI AN




ABSTRAK

Net Primary Productivity NPP was known as an important index for evaluating the carbon cycling in forest ecosystem. or tropical forest purpose due to large area and lack of ground measurement data we use remotely sensed data to estimate three important parameters of NPP such as light use efficiency LUE fraction of photosynthetically active radiation absorbed by vegetation FPAR and photosynthetically active radiation absorbed by vegetation PAR. Basically the Monteith equation 5 is used to model aboveground NPP in the tropical forest. Rahman et al. 7 proposed a micrometeorological model for estimating 82158215continuous field LUE of terrestrial vegetation using MODIS Photochemical Reflectance Index MODPRI from the MODIS ocean bands. FPAR is calculated from Normalized Difference Vegetation Index NDVI 2. PAR is calculated from 0.45 of incoming shortwave solar radiation Rs 4. In this study we use data from MODIS in 2000 to 2006 and comparing the result with MODIS17 of NASA Product. The results show that the estimated value for the distribution of NPP over Kalimantan Island by this methods and MODIS17 product were 1185.215 gCy 2000 1451.867 gCy 2001 1214.269 gCy 2002 1294.533 gCy 2003 1153.011 gCy 2004 1198.719 gCy 2005 1224.175 gCy 2006 2979.933 gCy 2000 3027.867 gCy 2001 2884.167 gCy 2002 2951.167 gCy 2003 2884.250 gCy 2004 2921.600 gCy 2005 2923.725 gCy 2006 respectively.


ABSTRACT

Net Primary Productivity NPP was known as an important index for evaluating the carbon cycling in forest ecosystem. or tropical forest purpose due to large area and lack of ground measurement data we use remotely sensed data to estimate three important parameters of NPP such as light use efficiency LUE fraction of photosynthetically active radiation absorbed by vegetation FPAR and photosynthetically active radiation absorbed by vegetation PAR. Basically the Monteith equation 5 is used to model aboveground NPP in the tropical forest. Rahman et al. 7 proposed a micrometeorological model for estimating 82158215continuous field LUE of terrestrial vegetation using MODIS Photochemical Reflectance Index MODPRI from the MODIS ocean bands. FPAR is calculated from Normalized Difference Vegetation Index NDVI 2. PAR is calculated from 0.45 of incoming shortwave solar radiation Rs 4. In this study we use data from MODIS in 2000 to 2006 and comparing the result with MODIS17 of NASA Product. The results show that the estimated value for the distribution of NPP over Kalimantan Island by this methods and MODIS17 product were 1185.215 gCy 2000 1451.867 gCy 2001 1214.269 gCy 2002 1294.533 gCy 2003 1153.011 gCy 2004 1198.719 gCy 2005 1224.175 gCy 2006 2979.933 gCy 2000 3027.867 gCy 2001 2884.167 gCy 2002 2951.167 gCy 2003 2884.250 gCy 2004 2921.600 gCy 2005 2923.725 gCy 2006 respectively.



KeywordsMODIS; NPP; MODPRI; FPAR; PAR; APAR; Rs
 
Subject:  Produktivitas
Date Create: 20/03/2010
Type: Text
Format: PDF
Language: Indonesian
Identifier: ITS-Proceeding-35114100000136
Collection ID: 35114100000136
Call Number: 515.39 Jae e


Source
Article of Proceedings

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ITS Community

Rights
Proceeding of AISC Taiwan ISSN:2086-5353 The First Annual Indonesian Scholars Conference in Taiwan




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ITS-Proceeding-35114100000136-39594.pdf




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