USING LANDSAT 8 TO ESTIMATE ABOVEGROUND BIOMASS AND CARBON STOCKS IN XUAN THUY NATIONAL PARK, NAM DINH PROVINCE
Keywords:
Aboveground biomass (AGB),, carbon stocks, Landsat 8, Xuan Thuy National ParkAbstract
Mangroves is considered as one of the most important carbon sinks in the
tropic and their roles are wellknown as preventing coastal shoreline
erosion and mitigating impacts of storms and wave actions. The
productivity of mangroves could be evaluated by estimating their biomass
and carbon stocks. Nowadays, a various number of methods are used to
estimate mangrove biomass and carbon stocks and one of them is
commonly used as the remotely-sensed satellite data approach. In this
study, Landsat 8 is used to identify the spatial distribution of mangroves
using NDVI values, then to calculate total of aboveground biomass and
carbon stocks of mangroves in the Xuan Thuy National Park. As a result,
the average of mangrove diameter and height values are measured at
2.80 ± 0.23cm and 3.82 ± 0.52m, respectively. The NDVI values are used
for mangrove classification with the accuracy of 88.3%. In general, the
biomass of mangrove forests in Xuan Thuy National Park is relatively
high, calculated at 62,692.8 ± 192.16 tons and carbon stocks are
calculated as 29,465.6 ± 90.32 tons.
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