![Ranjana Udaya Kumara Piyadasa](/pictures/91/4305863.jpg)
Ranjana Udaya Kumara Piyadasa
AD Scientific Index 2024
Natural Sciences / Geography
කොළඹ විශ්ව විද්යාලය
SCORES | RANKINGS | ||||
---|---|---|---|---|---|
In University of Colombo (625) | In Sri Lanka (4,978) | In Asia (594,911) | World (2,046,761) | ||
Total H Index | 6 | #148 | #1,231 | #282,531 | #1,182,077 |
Last 6 years H Index | 6 | #135 | #1,053 | #??? | #??? |
Last 6 years / Total H Index
|
1.000 | ||||
Total i10 Index | 4 | #163 | #1,357 | #??? | #??? |
Last 6 years i10 Index | 3 | #159 | #1,293 | #??? | #??? |
Last 6 years / Total i10 Index | 0.750 | ||||
Total Citation | 209 | #138 | #1,085 | #??? | #??? |
Last 6 years Citation | 150 | #138 | #1,089 | #??? | #??? |
Last 6 years / Total Citation | 0.718 | ||||
Natural Sciences * |
#36 (74) * |
#248 (501) * |
(79,605) * |
(289,648) * |
|
Geography *
|
#2 (3) * |
#5 (21) * |
(1,004) * |
(5,737) * |
* Jul 14, 2024 According to Total H Index. BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field 'others' (650.342 scientists) profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that.
Top % 3: Indicates that the scientist is among the Top 3% Scientists in the specified subject among the scientists in the AD Scientific Index in the World and/or Country.
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Top % 3: Indicates that the scientist is among the Top 3% Scientists in the specified subject among the scientists in the AD Scientific Index in the World and/or Country.
Use [email protected] to report an inappropriate profile, death, or other conditions that would require the deletion of the relevant profile. Data Privacy Policy:You can send a message to [email protected] to have your information removed from here, and your data will be deleted within 5 business days at the latest. Free of charge changes: University/institution changes (by emailing [email protected] with your AD Scientific Index ID number and evidence) Paid changes: Click for Changes, Registration, Adding Profile, Premium Membership
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University / Institution Rankings
University of Colombo Rankings
AD Scientific Index ID
4305863
Web Of Science Researcher ID
H-Index , Verified Peer Reviews, Citing Articles
ORCID ID
Scopus Author ID
H-Index, Citations, Documents
Researchgate
Research Interest Score, h-index
-
school
Academic Degree
First 10 Best Scientists in Natural Sciences / Geography in the World
By World Rank
Jean Poesen
Jean Poesen
Catholic University of Leuven
#1,716
Biswajeet Pradhan
Biswajeet Pradhan
University of Technology Sydney
#2,918
Peng Gong
Peng Gong
University of Hong Kong
#3,230
Neil Adger
Neil Adger
University of Exeter
#4,602
Veblen TT
Veblen TT
University of Colorado Boulder
#5,231
Peter J Taylor
Peter J Taylor
Northumbria University
#6,427
Jing M Chen
Jing M Chen
University of Toronto
#6,532
Jiquan Chen
Jiquan Chen
Michigan State University
#7,297
Shunlin Liang
Shunlin Liang
University of Maryland
#7,814
Gill Valentine
Gill Valentine
University of Sheffield
#8,879
![>Jean Poesen](/pictures/62/1398335.jpg)
![>Biswajeet Pradhan](/pictures/a8/1061.jpg)
![>Peng Gong](/user/assets/images/profile/no-profile-photo.png)
![>Neil Adger](/pictures/71/1054188.jpg)
![>Veblen TT](/pictures/7d/1773929.jpg)
![>Peter J Taylor](/user/assets/images/profile/no-profile-photo.png)
![>Jing M Chen](/pictures/9d/641348.jpg)
![>Jiquan Chen](/pictures/ed/1332590.jpg)
![>Shunlin Liang](/pictures/8c/1294002.jpg)
![>Gill Valentine](/user/assets/images/profile/no-profile-photo.png)
First 10 Best Scientists in Natural Sciences / Geography in Sri Lanka
By World Rank
Jinadasa Katupotha
Jinadasa Katupotha
University of Sri Jayewardenepura
#748,517
Ananda Y Karunarathne
Ananda Y Karunarathne
University of Colombo
#1,075,536
Lal Mervin Dharmasiri
Lal Mervin Dharmasiri
University of Kelaniya
#1,118,788
Kwg Rekha Nianthi
Kwg Rekha Nianthi
University of Peradeniya
#1,137,122
Ranjana Udaya Kumara Piyadasa
Ranjana Udaya Kumara Piyadasa
University of Colombo
#1,178,228
Rmk Ratnayake
Rmk Ratnayake
University of Sri Jayewardenepura
#1,236,473
Muditha Prasannajith Perera
Muditha Prasannajith Perera
University of Peradeniya
#1,239,398
Kvd Edirisooriya
Kvd Edirisooriya
Sabaragamuwa University
#1,283,627
Higc Kumara
Higc Kumara
University of Ruhuna
#1,289,220
Nijamir K
Nijamir K
South Eastern University of Sri Lanka
#1,309,956
![>Jinadasa Katupotha](/pictures/16/390425.jpg)
![>Ananda Y Karunarathne](/pictures/cb/4500816.jpg)
![>Lal Mervin Dharmasiri](/pictures/6c/4501374.jpg)
![>Kwg Rekha Nianthi](/pictures/cc/5003401.jpg)
![>Ranjana Udaya Kumara Piyadasa](/pictures/91/4305863.jpg)
![>Rmk Ratnayake](/pictures/26/4746177.jpg)
![>Muditha Prasannajith Perera](/pictures/6a/4744666.jpg)
![>Kvd Edirisooriya](/pictures/20/4937477.jpg)
![>Higc Kumara](/pictures/3c/4937548.jpg)
![>Nijamir K](/pictures/c7/4792462.jpg)
First 10 Best Scientists in Natural Sciences / Geography in University of Colombo
By World Rank
First 10 Best Scientists in Natural Sciences in Sri Lanka
By World Rank
N Wickramage
N Wickramage
Natural Sciences
Physics
#689
Wgd Dharmaratna|Welathantri G D Dharmaratna, Welathantri Dharmaratna, W Dharmaratna
Wgd Dharmaratna|Welathantri G D Dharmaratna, Welathantri Dharmaratna, W Dharmaratna
Natural Sciences
Physics
#10,167
Meththika Vithanage
Meththika Vithanage
Natural Sciences
Biological Science
#19,576
Upul Sonnadara
Upul Sonnadara
Natural Sciences
Physics
#30,423
Ayesh Jayasinghe
Ayesh Jayasinghe
Natural Sciences
Physics
#33,097
Malagalage Kithsiri Jayananda
Malagalage Kithsiri Jayananda
Natural Sciences
Physics
#38,201
K Tennakone
K Tennakone
Natural Sciences
Physics
#68,538
Daya Ratnasooriya
Daya Ratnasooriya
Natural Sciences
Biological Science
#127,634
Anushka Upamali Rajapaksha
Anushka Upamali Rajapaksha
Natural Sciences
Chemical Sciences
#136,929
Kasun M Thambugala
Kasun M Thambugala
Natural Sciences
Molecular Biology & Genetics
#153,468
![>N Wickramage](/pictures/d4/409138.jpg)
![>Wgd Dharmaratna|Welathantri G D Dharmaratna, Welathantri Dharmaratna, W Dharmaratna](/pictures/72/410738.jpg)
![>Meththika Vithanage](/pictures/d5/412248.jpg)
![>Upul Sonnadara](/pictures/01/415129.jpg)
![>Ayesh Jayasinghe](/pictures/61/213227.jpg)
![>Malagalage Kithsiri Jayananda](/user/assets/images/profile/no-profile-photo.png)
![>K Tennakone](/user/assets/images/profile/no-profile-photo.png)
![>Daya Ratnasooriya](/pictures/83/341730.jpg)
![>Anushka Upamali Rajapaksha](/pictures/82/554109.jpg)
![>Kasun M Thambugala](/pictures/e2/351664.jpg)
First 10 Best Scientists in University of Colombo
By World Rank
Upul Sonnadara
Upul Sonnadara
Natural Sciences
Physics
#30,423
Malagalage Kithsiri Jayananda
Malagalage Kithsiri Jayananda
Natural Sciences
Physics
#38,201
Ranil Jayawardena
Ranil Jayawardena
Medical and Health Sciences
Nutrition and Dietetics
#76,226
Priyanga Ranasinghe
Priyanga Ranasinghe
Medical and Health Sciences
Pharmacology
#76,426
Prasad Katulanda
Prasad Katulanda
Medical and Health Sciences
Endocrinology and Metabolism
#104,827
Senaka Rajapakse
Senaka Rajapakse
Others
#111,574
Daya Ratnasooriya
Daya Ratnasooriya
Natural Sciences
Biological Science
#127,634
Shaman Rajindrajith
Shaman Rajindrajith
Medical and Health Sciences
Pediatrics and Child Health
#131,193
Achala Jayatilleke
Achala Jayatilleke
Others
#145,543
KM Nalin De Silva
KM Nalin De Silva
Engineering & Technology
Nanoscience and Nanotechnology
#153,980
![>Upul Sonnadara](/pictures/01/415129.jpg)
![>Malagalage Kithsiri Jayananda](/user/assets/images/profile/no-profile-photo.png)
![>Ranil Jayawardena](/pictures/08/417784.jpg)
![>Priyanga Ranasinghe](/pictures/4e/416594.jpg)
![>Prasad Katulanda](/pictures/0e/414169.jpg)
![>Senaka Rajapakse](/pictures/7f/414519.jpg)
![>Daya Ratnasooriya](/pictures/83/341730.jpg)
![>Shaman Rajindrajith](/pictures/fa/416582.jpg)
![>Achala Jayatilleke](/pictures/9a/417625.jpg)
![>KM Nalin De Silva](/pictures/5b/422018.jpg)