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Review of 'Exploring the hydrological impact of increasing urbanisation on a tropical river catchment of the metropolitan Jakarta, Indonesia'

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5
Urbanisation and its hydrological side effect
Average rating:
    Rated 5 of 5.
Level of importance:
    Rated 5 of 5.
Level of validity:
    Rated 5 of 5.
Level of completeness:
    Rated 5 of 5.
Level of comprehensibility:
    Rated 5 of 5.
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None

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Exploring the hydrological impact of increasing urbanisation on a tropical river catchment of the metropolitan Jakarta, Indonesia

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    Title: Exploring the hydrological impact of increasing urbanisation on a tropical river catchment of the metropolitan Jakarta, Indonesia

    Authors: Federica Remondi, Paolo Burlando, and Derek Vollmer

    DOI: https://doi.org/10.1016/j.scs.2015.10.001

    The full paper in PDF can be downloaded 

    Introduction

    This paper explains the current situation (in 2015) of urbanisation and its impact to the hydrology of Ciliwung river. The authors tried to simulate the hydrological discharge of the river and identify its possible relationship with land use change, in which reflects the rate of urbanisation. The simulation was based on three water gauge stations in the Ciliwung river.

    General comments

    The paper shows land use change from the 1970’s until 2015. The red zone (settlement) had rapidly developed. This situation corresponds with the hydrological balance according to the analysis. The problem with the simulation, which had been mentioned also by the authors, were the lack of gauge stations, compared to the basin area of 385 km2 with very different topographical features. The government should give more attention to this issue, since many water management program would rely on the simulation like the one described in this paper.    

    This paper, along with other similar paper, should give a straightforward direction for the government to deal with flooding problems every year. One key point is for the government  

     

    Specific comments

    However for future research, I may suggest the following:

    • The term urbanisation should have clearly defined, because land use change would not have to be caused only by urbanisation. The intra-city-migration would also be one that have to be taken in to account. As the land and housing price increases in the mid city area, many people migrate to the suburban, and probably to the riverbank. 
    • The future research should also connect the hydrological condition with the change of socio-economic status in Jakarta area. A  be multi-disciplinary research should be conducted to deal with this matter.

    Closing

    More parties should present the results to the decision makers. This paper can be used as one argument to propose a consecutive water management plans.      

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