(Photo: Ly Meng Huor, RFI)March 24, 2010
DECISIVE EVIDENCE OF BORDER ENCROACHMENT
SUMMARY AND CONCLUSIONS
SUMMARY AND CONCLUSIONS
I- My previous work on the border issue (October 2009 - February 2010)
My first purpose was to show that the so-called temporary border post # 185 made up of six wooden poles which I uprooted on October 25, 2009 in Koh Kban Kandal village, in Samraong commune, Chantrea district, Svay Rieng province, was located in fact within Cambodia’s territory, at a significant distance from the real and legal border between Cambodia and Vietnam, because the poles were planted in the middle of a Cambodian farmer’s rice field.
But in the process of doing the limited work as stated above, a team of several Cambodian and French experts assisting me has examined the border situation for the entire Samraong commune involving four different locations of newly erected "border" markers (# 184, 185, 186 and 187). We found that the locations were all inside Cambodia. Then we realized that the type of border encroachment we discovered in Samraong commune could have as well taken place in other communes, other districts and other provinces given the same political and administrative context that has prevailed in Cambodia since 1979.
In January and February this year, we presented evidence of border encroachment in two reports available at http://tinyurl.com/yeaoxyf and at http://tinyurl.com/ykbq57f.
In the first set of documents, we showed that the newly-planted so-called temporary border posts # 184, 185, 186 and 187 in Samraong commune were all inside Cambodia whether we based our observations and analyses on the official 1952 French SGI 1/100,000 map deposited at the UN in 1964, the 1966 US Army 1/50,000 map or more recent Google Earth satellite imagery. We estimated that the four so-called temporary border posts had been wrongfully planted inside Cambodia at a distance between 300 meters and 500 meters from the legal international border as delineated on both the French map and the US map.
In the second set of documents, we identified three real and legal border points in the vicinity of Samraong commune but in a zone now controlled by Vietnam. The geographical coordinates of those border points are specified in the 1985 Border Treaty between Cambodia and Vietnam (available at the Council of Ministers' website http://www.pressocm.gov.kh/border/11.php). As a matter of fact, we could confirm that those official border points are effectively located on -- or extremely near -- the border line as delineated on existing maps. However, we noticed that, on the two recognized maps as well as on satellite imagery, those three official border points are located much to the East of the newly-planted "temporary border posts" # 184 through 187, meaning that the latter clearly encroach on Cambodia’s territory, in stark violation of the 1985 Border Treaty.
Therefore, the so-called temporary border post I pulled out last year (# 185) and those nearby (# 184, 186 and 187) were not real border posts: They had been illegally planted well inside Cambodian territory, on Khmer farmers’ rice fields.
The result of our previous work as described above is now confirmed by the new report attached herewith, which is more elaborated, more exhaustive and most authoritative.
II- The new report (March 23, 2010)
To read the full report please click at http://tinyurl.com/y8s2ntw
This 14-page report in French titled "Géoréférencement des Cartes Trang Bang et Duc Hue" or Georeferencing of Trang Bang and Duc Hue Maps, was written by Mr Régis Caloz, a physicist and map expert specialized in Geographic Information System (GIS), who was a professor at the renowned Ecole Polytechnique Fédérale de Lausanne, in Switzerland. I was introduced to Mr Caloz by the Geneva-based Inter-Parliamentary Union (IPU).
Here are the main points of the report:
1. All the maps and official documents that we have used so far are real, genuine and authentic (pages 2 to 4).
2. The analytical methods and tools we used previously were, on the whole, accurate. But more sophisticated, more refined and more precise methods and tools are used in the new report (pages 4 to 10).
A theoretical mistake we made previously related to a datum conversion has been fixed but with no change whatsoever in the final result (page 10): “The GPS locations under WGS 84, directly converted into UTM 48 without change in the ellipsoid and introduced on the (digitalized) Duc Hue map in UTM 48 under Everest (India) 60, coincide with the points obtained by following the procedure used for the first assumption which logically includes a datum conversion.”
["Les points GPS sous WGS 84, convertis directement en UTM 48 sans modification de l’ellipsoïde et introduits sur la carte Duc Hue en UTM 48 sous Everest (Indes) 60, se superposent aux points obtenus en suivant la procédure de la première hypothèse comportant logiquement la conversion de datum."]
3. All the results we found previously are confirmed by the new report, which only brings more certainty and more precision to our previous conclusions, in particular (pages 10 to 14):
a) The so-called temporary border posts # 184, 185, 186 and 187 are located at a distance of respectively 368 m, 319 m, 493 m and 483 m from the real and legal border, with a margin of error of plus or minus 100 m. In the worst case, those fake and illegal border posts are located at 268 m, 219 m, 393 m and 383 m from the real and legal border, meaning well inside Cambodia’s territory (page 12).
b) Even the controversial 1985 Border Treaty is being violated, with Vietnam continuously moving the de facto (imposed) border into Cambodia’s territory. The continuous encroachment has followed a two-step process (pages 13 and 14):
Sam Rainsy
Member of Parliament
My first purpose was to show that the so-called temporary border post # 185 made up of six wooden poles which I uprooted on October 25, 2009 in Koh Kban Kandal village, in Samraong commune, Chantrea district, Svay Rieng province, was located in fact within Cambodia’s territory, at a significant distance from the real and legal border between Cambodia and Vietnam, because the poles were planted in the middle of a Cambodian farmer’s rice field.
But in the process of doing the limited work as stated above, a team of several Cambodian and French experts assisting me has examined the border situation for the entire Samraong commune involving four different locations of newly erected "border" markers (# 184, 185, 186 and 187). We found that the locations were all inside Cambodia. Then we realized that the type of border encroachment we discovered in Samraong commune could have as well taken place in other communes, other districts and other provinces given the same political and administrative context that has prevailed in Cambodia since 1979.
In January and February this year, we presented evidence of border encroachment in two reports available at http://tinyurl.com/yeaoxyf and at http://tinyurl.com/ykbq57f.
In the first set of documents, we showed that the newly-planted so-called temporary border posts # 184, 185, 186 and 187 in Samraong commune were all inside Cambodia whether we based our observations and analyses on the official 1952 French SGI 1/100,000 map deposited at the UN in 1964, the 1966 US Army 1/50,000 map or more recent Google Earth satellite imagery. We estimated that the four so-called temporary border posts had been wrongfully planted inside Cambodia at a distance between 300 meters and 500 meters from the legal international border as delineated on both the French map and the US map.
In the second set of documents, we identified three real and legal border points in the vicinity of Samraong commune but in a zone now controlled by Vietnam. The geographical coordinates of those border points are specified in the 1985 Border Treaty between Cambodia and Vietnam (available at the Council of Ministers' website http://www.pressocm.gov.kh/border/11.php). As a matter of fact, we could confirm that those official border points are effectively located on -- or extremely near -- the border line as delineated on existing maps. However, we noticed that, on the two recognized maps as well as on satellite imagery, those three official border points are located much to the East of the newly-planted "temporary border posts" # 184 through 187, meaning that the latter clearly encroach on Cambodia’s territory, in stark violation of the 1985 Border Treaty.
Therefore, the so-called temporary border post I pulled out last year (# 185) and those nearby (# 184, 186 and 187) were not real border posts: They had been illegally planted well inside Cambodian territory, on Khmer farmers’ rice fields.
The result of our previous work as described above is now confirmed by the new report attached herewith, which is more elaborated, more exhaustive and most authoritative.
II- The new report (March 23, 2010)
To read the full report please click at http://tinyurl.com/y8s2ntw
This 14-page report in French titled "Géoréférencement des Cartes Trang Bang et Duc Hue" or Georeferencing of Trang Bang and Duc Hue Maps, was written by Mr Régis Caloz, a physicist and map expert specialized in Geographic Information System (GIS), who was a professor at the renowned Ecole Polytechnique Fédérale de Lausanne, in Switzerland. I was introduced to Mr Caloz by the Geneva-based Inter-Parliamentary Union (IPU).
Here are the main points of the report:
1. All the maps and official documents that we have used so far are real, genuine and authentic (pages 2 to 4).
2. The analytical methods and tools we used previously were, on the whole, accurate. But more sophisticated, more refined and more precise methods and tools are used in the new report (pages 4 to 10).
A theoretical mistake we made previously related to a datum conversion has been fixed but with no change whatsoever in the final result (page 10): “The GPS locations under WGS 84, directly converted into UTM 48 without change in the ellipsoid and introduced on the (digitalized) Duc Hue map in UTM 48 under Everest (India) 60, coincide with the points obtained by following the procedure used for the first assumption which logically includes a datum conversion.”
["Les points GPS sous WGS 84, convertis directement en UTM 48 sans modification de l’ellipsoïde et introduits sur la carte Duc Hue en UTM 48 sous Everest (Indes) 60, se superposent aux points obtenus en suivant la procédure de la première hypothèse comportant logiquement la conversion de datum."]
3. All the results we found previously are confirmed by the new report, which only brings more certainty and more precision to our previous conclusions, in particular (pages 10 to 14):
a) The so-called temporary border posts # 184, 185, 186 and 187 are located at a distance of respectively 368 m, 319 m, 493 m and 483 m from the real and legal border, with a margin of error of plus or minus 100 m. In the worst case, those fake and illegal border posts are located at 268 m, 219 m, 393 m and 383 m from the real and legal border, meaning well inside Cambodia’s territory (page 12).
b) Even the controversial 1985 Border Treaty is being violated, with Vietnam continuously moving the de facto (imposed) border into Cambodia’s territory. The continuous encroachment has followed a two-step process (pages 13 and 14):
- First, the administrative frontier was displaced from the original legal border line -- where we can spot the three border points 1985-143, 1985-144 (very near to Canal 1 on Google satellite imagery, page 14) and 1985-145 -- to a more recent canal (Canal 2 on Google satellite imagery) dug in 1979 in Cambodia's territory, between 100 m and 300 m to the west of the original legal border line. Canal 2 currently represents the de facto border line.
- Second, there is presently an attempt to move again the border line from the 1979 canal (Canal 2) to the new "temporary border posts" 184, 185, 186 and 187 planted between 100 m and 300 m further to the West in 2008-2009, infringing on rice fields belonging to Cambodian farmers I have been trying to defend.
Sam Rainsy
Member of Parliament
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