[HTML][HTML] Selecting the best band ratio to estimate chlorophyll-a concentration in a tropical freshwater lake using sentinel 2A images from a case study of Lake Ba Be …

NTT Ha, NTP Thao, K Koike, MT Nhuan - ISPRS International Journal of …, 2017‏ - mdpi.com
This study aims to develop a method to estimate chlorophyll-a concentration (Chla) in
tropical freshwater lake waters using in situ data of Chla, water reflectance, and concurrent …

Using Landsat-8 images for quantifying suspended sediment concentration in Red River (Northern Vietnam)

QV Pham, NTT Ha, N Pahlevan, LT Oanh, TB Nguyen… - Remote Sensing, 2018‏ - mdpi.com
Analyzing the trends in the spatial distribution of suspended sediment concentration (SSC)
in riverine surface water enables better understanding of the hydromorphological properties …

Landsat 8/OLI two bands ratio algorithm for chlorophyll-a concentration map** in hypertrophic waters: An application to West Lake in Hanoi (Vietnam)

NTT Ha, K Koike, MT Nhuan, BD Canh… - IEEE Journal of …, 2017‏ - ieeexplore.ieee.org
Monitoring chlorophyll-a concentration (Chl-a) in inland waters, particularly hypertrophic
lake waters in megacities, is a critically important environmental issue. To enable long-term …

Improved accuracy of chlorophyll-a concentration estimates from MODIS imagery using a two-band ratio algorithm and geostatistics: As applied to the monitoring of …

NTT Ha, K Koike, MT Nhuan - Remote Sensing, 2013‏ - mdpi.com
Sea eutrophication is a natural process of water enrichment caused by increased nutrient
loading that severely affects coastal ecosystems by decreasing water quality. The degree of …

Combined SBAS-InSAR and geostatistics to detect topographic change and fluid paths in geothermal areas

PG Sabrian, A Saepuloh, K Kashiwaya… - Journal of Volcanology and …, 2021‏ - Elsevier
Topographic changes or ground surface deformation provide critical information regarding
the fluid ascent paths that form in permeable fracture zones. This study combines surface …

[PDF][PDF] Develo** algorithm for estimating chlorophyll-a concentration in the Thac Ba Reservoir surface water using Landsat 8 Imagery

PQ Vinh, NTT Ha, NT Binh, NN Thang, LT Oanh… - Earth Sci, 2019‏ - researchgate.net
This study aims at develo** a regional algorithm to quantify chlorophyll-a concentration
(Chla) in the Thac Ba Reservoir surface-water using Landsat 8 imagery basing on in-situ …

Physical clogging experiment of sand gravel infiltration with Yellow River water in the Yufuhe River channel of **an, China

Q Zheng, W Wang, S Liu, S Qu - Frontiers of Earth Science, 2020‏ - Springer
To make sense of physical clogging during Yellow River water spreading in the strong
leakage zone of the Yufuhe River, a laboratory sand column experiment was undertaken …

the Use of Sentinel-2 Imagery for Total Suspended Solids (Tss) Estimation in Porong River, Sidoarjo

F Bioresita, HS Firdaus, CB Pribadi… - … Jurnal Geodesi dan …, 2018‏ - ejournal2.undip.ac.id
Sidoarjo mud disaster is an occurrence of hot mud bursts at drilling location of Lapindo
Brantas Inc., Sidoarjo, Indonesia since 29th May 2006. In order to overcome the continuous …

[PDF][PDF] Giám sát biến thiên mức độ phú dưỡng của hồ Hoàn Kiếm dựa vào hàm lượng Chlorophyll–a tính toán từ ảnh Sentinel–2A

NTP Thảo, PQ Vinh, NTT Hà… - Tạp chí Khí tượng Thuỷ …, 2021‏ - researchgate.net
Nghiên cứu này nhằm giám sát sự dao động của chỉ số dinh dưỡng (trophic state index:
TSI) của nước hồ Hoàn Kiếm dựa vào hàm lượng chlorophyll–a (Chla) tính toán từ ảnh vệ …

[PDF][PDF] NGHIÊN CỨU TÍNH TOÁN HÀM LƢỢNG PHÙ SA LƠ LỬNG CỦA NƢỚC SÔNG HỒNG ĐOẠN QUA THÀNH PHỐ LÀO CAI SỬ DỤNG ẢNH VỆ TINH …

NTP Thảo, NTT Hà, PQ Vinh‏ - researchgate.net
Giám sát sự biến động của hàm lượng phù sa lơ lửng (SSC) trong nước sông giúp đánh giá
một cách định lượng chất lượng nước sông và hiểu rõ hơn quá trình vận chuyển các chất ô …