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Title: Using the knowledge in physics and modelling of landslide susceptibility mapping for analysis Impact to the stream.

Title: Using the knowledge in physics and modelling of landslide susceptibility mapping for analysis Impact to the stream. w7ep3
Introduction: As impaction regarding landslides has increased every year, the scientist's need to shape more effective solution practices has also increased. However, researching this issue will necessarily require integrating insights across multiple factors that are related. In general, when long-time heavy rainfall, soil and rock on hillslope that is susceptible will be triggered. It significantly influences the water quality, changes in ground water-level and interrupts the stream flow channels, which can also affect the ecology system and cause destruction of the environment. Finally, those problems will be associated with the health effects for almost all creatures directly and indirectly. Landslides are a serious phenomenon geologically common to almost every province of Lao PDR, and have frequency increases to follow extreme rainfall events, global climate change, human activities increase, continuous environmental disturbance, earthquake (seismic waves), destruction of forest area, etc. This problem is able to obstruct the infrastructure development of the country. Study about landslides will use knowledge in Physics for measuring gravity, Geographic Information System (GIS) program and Modelling of Landslides Susceptibility Mapping for help in analyzing the flow of mass. It is of great significance to analyze region scales for reducing risk of sediment, mud and debris flow to streams. So, this article seeks to contribute to the method and technique development process for disaster risk prevention. Literature review: Landslides have become the most serious disasters around hilly and mountainous areas. The occurrence of landslides mostly depends on the terrain, including geological and geomorphological processes, that might have the tendency and predisposing factors to generate landslide occurrence. Laos, the only landlocked country in Southeast Asia, The Geography is covered with mountains and forests. There are two seasons: Rainy and Dry. The temperature averages about 14/40 °C (57/104 °F), which is tropical in the plains and is subtropical in the mountains. The amount of rainfall is normally between 1, 200 and 2, 200 millimeters (47 and 87 inches) per year, but on mountain slopes can exceed 3, 000 mm (118 in), which brings heavy rainfall and high humidity during May to October, it is an additional amount of rain by the monsoon and typhoons. In fact, if the climate becomes milder with increasing altitude, it will also become more rainy. For example: In Luang Prabang province, a village of 41 households was destroyed by a landslide and flash flood after heavy rainfall, there are three roads connecting 17 villages in the district that have now been cut off. (Reported by RFA’s Lao Service, On Aug. 30th and Sept. 5th 2018). and In the neighboring Oudomxay province and Phongsaly province there were almost two weeks of rainfall, afforded to livelihood and killed people by flooding and landslides. (Reported by Xinhua News, In 2013). Research purpose: I have plan to improve in my work the future and I will accomplish this research by objectives the following: To study relationships in concern with other factors in risk areas and which contribute to landslides such as heavy rainfall, climate change, seismic, etc. To use processes in physics, modelling, sediment dynamic, GIS program and satellite image for following and classifying of the mass flow, including use analyze wasting when phenomena occurred. To use as a reference for additional learning about solving and controlling the risk that affects lives and properties. Main body (methodology): In this subject a methodology for hazardous landslides, the using knowledge in physics and modeling them as a part of a disaster prevention and reduction procedure by landslides susceptibility and hazard maps is presented, based on analysis movements and determinant factors the flowing: First, review information about behaviour of geology, geography and weather in the speciality of hillslope and mountain, some issues of the difficulties related with numerical modeling in risk area, and survey on field work for collecting data and sample; Second, analyze some of the major problems and the mechanisms at the local scale, and the directions of mass movement (sediment particle) and Sediment Dynamic, classify types of the flow by GIS based models (Geographic Information System), including areas changing by Satellite Image System; Finally, up scaling of knowledge and extending of data to the forecasting of the hazard at the regional scale is discussed and ways of improving in risk areas as well as quantitatively evaluating landslide susceptibility for modelling performance are proposed. Conclusion: (expected results /significance of research /contribution to the development) Education in the relationship of landslides triggered effects to rivers opens important pathways for other disaster research that is related in future, and It is a key insight from the learning sciences able response researching development. Using these methods as a composition in foundation for synthesizing evidence and data by well-vetted strategies such that researchers can enable entrepreneurs access learning and finding methods for solving landslide issues. Therefore, analyzing information processes by Physics, Satellite Image System, Geographic Information System (GIS) program and Modelling of Landslides Susceptibility Mapping can predict the movement of a landslide widely. For able controlling the status the flow of sediment, mud and debris delivery to stream; to predict sediment yield limits on rivers from development of reliable numerical models and sediment dynamic to evaluate results; can solving and improving impacts the infrastructure development; to management in rural areas, construction, agricultural practices, environmental, ecology system, forest area, land-use and water including economic and social. Reference: Spatial Patterns of Storm‐Induced Landslides and Their Relation to Rainfall Anomaly Maps - Marc - 2019 - Geophysical Research Letters - Wiley Online Library. mhtml. https: //agupubs. onlinelibrary. wiley. com/doi/full/10. 1029/2019GL083173 Landslide Debris Movement and its Effects on Slope and River Channel in Mountainous Watershed* By Marlon Ivanhoe AlP ASSA * *, Hokkaido University Collection of Scholarly and Academic Papers: HUSCAP (1991), https: //eprints. lib. hokudai. ac. jp/dspace/bitstream/2115/21346/1/48(2)_P375-418. pdf Two-dimensional mathematical modelling of debris flows with practical applications M. Cetina & M. Krzyk University of Ljubljana, Faculty of Civil and Geodetic Engineering, Ljubljana, Slovenia, 2003, https: //www. witpress. com/Secure/elibrary/papers/WP03/WP03042FU. pdf Physics and Modeling of Various Hazardous Landslides Jónas Elíasson * and Þorsteinn Sæmundsson, Faculty of Engineering and Natural Sciences, University of Iceland, 102 Reykjavík, Iceland; steinis@hi. is * Correspondence: jonase@hi. is; Tel. : +354-8998447, https: //www. mdpi. com/2076-3263/11/3/108/htm https: //www. climatestotravel. com/climate/laos
Introduction:

As impaction regarding
landslides
has increased every year, the scientist's need to shape more effective solution practices has
also
increased.
However
, researching this issue will
necessarily
require integrating insights across multiple
factors
that
are related
.
In general
, when long-time
heavy
rainfall
, soil and rock on
hillslope
that is
susceptible will
be triggered
. It
significantly
influences the water quality,
changes
in ground water-level and interrupts the stream
flow
channels, which can
also
affect the ecology
system
and cause destruction of the environment.
Finally
, those problems will
be associated
with the health effects for almost all creatures
directly
and
indirectly
.
Landslides
are a serious phenomenon
geologically
common to almost every
province
of Lao
PDR
, and have frequency increases to follow extreme
rainfall
events
, global climate
change
, human activities increase, continuous environmental disturbance, earthquake (seismic waves), destruction of forest
area
, etc. This problem is able to obstruct the infrastructure
development
of the country. Study about
landslides
will
use
knowledge in Physics for measuring gravity, Geographic
Information
System
(GIS) program and
Modelling
of
Landslides
Susceptibility Mapping for
help
in analyzing the
flow
of mass. It is of great significance to analyze region scales for reducing
risk
of
sediment
, mud and
debris
flow
to streams.
So
, this article seeks to contribute to the method and technique
development
process
for
disaster
risk
prevention.

Literature review:

Landslides have become the most serious
disasters
around hilly and mountainous
areas
. The occurrence of
landslides
mostly
depends on the terrain, including geological and geomorphological
processes
, that might have the tendency and predisposing
factors
to generate
landslide
occurrence. Laos, the
only
landlocked country in Southeast Asia, The Geography
is covered
with
mountains
and forests. There are two seasons: Rainy and Dry. The temperature averages about 14/40 °C (
57
/104 °F), which is tropical in the plains and is subtropical in the
mountains
. The amount of
rainfall
is
normally
between 1, 200 and 2, 200 millimeters (
47
and 87 inches) per year,
but
on
mountain
slopes can exceed 3, 000 mm (118 in), which brings
heavy
rainfall
and high humidity during May to October, it is an additional amount of rain by the monsoon and typhoons. In fact, if the climate becomes milder with increasing altitude, it will
also
become more rainy.
For example
: In
Luang
Prabang
province
, a village of 41 households was
destroyed
by a
landslide
and flash flood after
heavy
rainfall
, there are three roads connecting 17 villages in the district that have
now
been
cut
off. (Reported by RFA’s Lao Service, On Aug. 30th and Sept. 5th 2018).
and
In the neighboring
Oudomxay
province
and
Phongsaly
province
there were almost two weeks of
rainfall
, afforded to livelihood and killed
people
by flooding and
landslides
. (Reported by
Xinhua
News, In
2013). Research
purpose:

I have plan to
improve
in my work the future and I will accomplish this
research
by objectives the following:

To study relationships in concern with other
factors
in
risk
areas
and which contribute to
landslides
such as
heavy
rainfall
, climate
change
, seismic, etc.

To
use
processes
in physics,
modelling
,
sediment
dynamic, GIS program and satellite image for following and classifying of the mass
flow
, including
use
analyze wasting when phenomena occurred.

To
use
as a reference for additional learning about solving and controlling the
risk
that affects
lives
and properties.

Main body (methodology):

In this subject a methodology for hazardous
landslides
, the using knowledge in physics and modeling them as a part of a
disaster
prevention and reduction procedure by
landslides
susceptibility and hazard maps
is presented
, based on analysis
movements
and determinant
factors
the flowing:

First
, review
information
about
behaviour
of geology, geography and weather in the
speciality
of
hillslope
and
mountain
,
some
issues of the difficulties related with numerical modeling in
risk
area
, and survey on field work for collecting data and sample;

Second, analyze
some of the
major problems and the mechanisms at the local scale, and the directions of mass
movement
(sediment
particle) and
Sediment
Dynamic, classify types of the
flow
by GIS based models (Geographic
Information
System)
, including
areas
changing by Satellite Image System;

Finally
, up scaling of knowledge and extending of data to the forecasting of the hazard at the regional scale
is discussed
and ways of improving in
risk
areas
as well
as
quantitatively
evaluating
landslide
susceptibility for
modelling
performance
are proposed
.

Conclusion: (
expected
results /significance of
research
/contribution to the development)

Education in the relationship of
landslides
triggered effects to rivers opens
important
pathways for other
disaster
research
that
is related
in future
, and It is a key insight from the learning sciences able response researching
development
. Using these methods as a composition in foundation for synthesizing evidence and data by well-vetted strategies such that researchers can enable entrepreneurs access learning and finding methods for solving
landslide
issues.
Therefore
, analyzing
information
processes
by Physics, Satellite Image
System
, Geographic
Information
System
(GIS) program and
Modelling
of
Landslides
Susceptibility Mapping can predict the
movement
of a
landslide
widely
. For able controlling the status the
flow
of
sediment
, mud and
debris
delivery to stream; to predict
sediment
yield limits on rivers from
development
of reliable numerical models and
sediment
dynamic to evaluate results; can solving and improving impacts the infrastructure
development
; to management in rural
areas
, construction, agricultural practices, environmental, ecology
system
, forest
area
, land-
use
and water including economic and social.

Reference:

Spatial Patterns of
Storm‐Induced
Landslides
and Their Relation to
Rainfall
Anomaly Maps
-
Marc
-
2019
-
Geophysical
Research
Letters
-
Wiley Online Library.
mhtml
.
https
: //
agupubs
.
onlinelibrary
.
wiley
.
com
/
doi
/full/10. 1029/2019GL083173

Landslide
Debris
Movement
and its Effects on Slope and River Channel in Mountainous Watershed* By Marlon Ivanhoe
AlP
ASSA
* *, Hokkaido University Collection of
Scholarly
and Academic Papers:
HUSCAP
(1991),
https
: //
eprints
.
lib
.
hokudai
.
ac
.
jp
/
dspace
/
bitstream
/2115/21346/1/48(2)_P375-418.
pdf


Two-dimensional mathematical
modelling
of
debris
flows
with practical applications M.
Cetina
& M.
Krzyk
University of Ljubljana, Faculty of Civil and Geodetic Engineering, Ljubljana, Slovenia, 2003,
https
: //
www
.
witpress
.
com
/Secure/
elibrary
/papers/WP03/WP03042FU.
pdf


Physics and Modeling of Various Hazardous
Landslides
Jónas
Elíasson
* and
Þorsteinn
Sæmundsson
, Faculty of Engineering and Natural Sciences, University of Iceland, 102 Reykjavík, Iceland;
steinis@hi
.
is
* Correspondence:
jonase@hi
.
is
; Tel.
:
+354-8998447,
https
: //
www
.
mdpi
.
com
/2076-3263/11/3/108/
htm


https
: //
www
.
climatestotravel
.
com
/climate/
laos
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IELTS academic Title: Using the knowledge in physics and modelling of landslide susceptibility mapping for analysis Impact to the stream.

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