Page 205 - Proceeding of Atrans Young Researcher's Forum 2019
P. 205

“Transportation for A Better Life:
                                                                              Smart Mobility for Now and Then”

                                                                                    23 August 2019, Bangkok, Thailand

                Fig. 6 Variation of annual population density   lost 662 and 243 people/km  in 1999-2005 and in
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                changes over 4 periods from 1999 to 2017 in   2005-2010 respectively. The similar trend was also
              Districts 1, Thu Duc, 9, Binh Thanh, 2. Y-axis is   found in a study [20] that in 1999-2009, population
              annual population density variation (people/km2)   in the inner districts of Ho Chi Minh City, including
             Source: Authors, calculated from demographic data   District 1, has decreased while it increased the outer
             published by Statistical Office of Ho Chi Minh City   districts. Explaining this phenomenon, Pham et. al
                                                              [20]  stated  several  reasons.  First,  due  to  many
                    As  mentioned  in  the  methodology,  the   construction  projects  in  the  inner  city,  the
             periods of 5 years are defined to examine the change   implementation  of  land  clearance  and  adjustment
             in population density over almost 2 decades, from   over  a  large  area  has  relocated  many  people  and
             2000 – as the year before the first proposal of the   created  vacancies  in  these  areas.  It  was  also
             project – to 2017 – the most recent year when data is   supported by several policies aiming to decentralize
             available.  Therefore,  the  updated  time  periods  are   the inner cores that encouraged residents to move out
             1999-2005, 2005-2010, 2010-2015, and 2015-2017   of  the  center  areas.  Second,  gentrification  was
             respectively. Due to the differences in the number of   commonly found in the central business districts due
             years  of  those  periods,  annual  variations  of   to the growth in their land value and renting demand
             population density are considered as the criteria for   that  attracted  more  office  and  commerce  than
             evaluation  of  urban  transition  in  these  catchment   residence.  In  the  meantime,  the  development  of
             areas. These data are illustrated with the bar charts   infrastructure  of  the  outer  districts  enhanced  the
             in Fig. 6.                                       movements  of  people  to  these  areas.  In  the  later
                                                              periods,  due  to  the  completion  of  the  projects
                    The  finding  revealed  that  there  was  a   implemented  in  1999-2009,  the  inner  districts
             considerable  change  in  the  districts  where  the   became more attractive with higher capacities. This
             catchment  areas  of  Metro  Line  1  are  located.   dragged movement of settlers that has increased their
             According to Fig. 6, the growth in population is seen   population density since 2010.
             the general trend of development in these areas that
             most  of  data  are  positive  numbers.  The  most      In  relation  to  Metro  Line  1,  the  general
             remarkable annual change is the population density   growth seen in the population density of the studied
             of  District  1  in  2015-2017  which  reached  1,155   areas can bring potential commuters for the route. In
             additional people moving into each square kilometer   return, the development of the new metro line is a
             of this district per year. It is more than double the   promising feature of this area in the near future with
             second highest variation which belongs to Thu Duc   multi-advantages.  However,  since  the  construction
             District  in  the  first  period  (508  people/km ).  The   of this route has not been completed yet, it will need
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             annual population density growth rate of District 1,   further studies in these catchment areas with data at
             Thu  Duc,  and  Binh  Thanh  are  also  the  most   smaller  scales  to  figure  out  more  details  of  urban
             fluctuating among the five districts studied in this   transition in these areas from the lens of population
             paper.                                           variation.

                    In  comparison  to  District  1,  Thu  Duc  and   4.2.2. Urban transition in land cover
             Binh Thanh, District 2 and 9, however, had much         As  Metro  Line  1  stretches  over  several
             slighter rises on annual population density over the   districts  with  differences  in  multi-aspects,  its
             studied time. Moreover, among the districts, District   catchment  areas  have  high  diversity  in  urban
             9  had  the  most  stable  annual  population  density   characteristics. For each  group  in Table 1  (except
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             growth  rate  that  it  was  about  80  people/km   in   Group  4,  which  includes  only  the  depot),  one
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             average,  ranging  from  69  to  88  people/km .  It  is   catchment area is selected among many of them to
             predicted  that  District  9  keep  this  growth  rate   describe  urban  transition through  the  lens  of  land
             steadily in the near future.                     cover.  Accordingly,  station  3,  7,  and  12  were
                                                              analyzed for group 1, 2, and 3.
                    Despite the rise commonly seen in most of
             the  districts  over  the  four  periods,  there  are  two   Based  on  4  periods mentioned  in  4.2.1  as
             outliers found for the case of District 1 in the first   well  as  images’  qualities  from  Google  Earth,  4
             two  periods.  During  1999-2010,  this  district   milestones are chosen as  follow: 2003  (for period
             experienced  a  shrinking  population  density  that  it   2000-2005),  2009  (for  period  2005-2010),  2014




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