What are characteristics of the network and river regime of the Mekong River in Vietnam? What are regular assessment methods for students in continuous education at lower secondary level in Vietnam?

What are characteristics of the network and river regime of the Mekong River in Vietnam?

With an extensive network of rivers and streams and diverse river regime, the Mekong River plays an essential role in the economic development, life, and culture of the people in the Mekong Delta. Below is a suggested analysis of the characteristics of the network and river regime of the Mekong River in Vietnam that students can refer to.

1. Characteristics of the Mekong River Network:

- Major river system: The Mekong River is the lower section of the Mekong river system – one of the largest rivers in the world, flowing through six countries (China, Myanmar, Laos, Thailand, Cambodia, Vietnam). Upon entering Vietnamese territory, the Mekong River divides into two main branches, the Tien River and the Hau River, along with numerous natural and artificial canals, creating a dense network.

- Abundant tributaries: This system includes over 280 tributaries within Vietnamese territory, contributing to a favorable waterway transportation network, providing water and silt to the Mekong Delta.

- Geography and basin: The Mekong River basin covers a large area but has a small gradient, making the flow on the river branches slow and steady. This is an important characteristic, helping reduce the risk of erosion and flash floods.

2. River Regime of the Mekong River:

- Water source: The Mekong River receives water from the main tributaries belonging to the upper and midstream of the Mekong River. Due to the influence of the tropical monsoon climate, the flow primarily depends on the rainfall during the rainy season and dry season.

- Hydrological characteristics:

+ Extended flood season: Floods account for about 75 - 80% of the total annual water volume, lasting an average of 5 months (from June to November). This is the main season supplying water to the region, playing an important role in sediment deposition and irrigation supply.

+ Dry season: During the dry season (December to April), the water volume decreases significantly, and the river is heavily influenced by tides and saltwater intrusion from the East Sea.

- Regulatory nature: The river regime of the Mekong River is quite regulated, thanks to the large basin and low gradient. The flood process occurs slowly: rising slowly, receding slowly, helping to minimize damage caused by floods.

- Influence from the sea: The Mekong River is strongly influenced by tide policies from the East Sea, especially during the dry season. This causes saltwater from the sea to intrude deeply into the land, affecting agriculture and the livelihoods of residents in the delta region.

3. Conclusion:

The Mekong River, with its dense network, simple yet steady river regime, has created a favorable river system, providing water and silt for one of Vietnam's key agricultural regions. However, this region also faces challenges such as saltwater intrusion, flooding, and impacts from climate change, requiring sustainable management and exploitation measures.

Note: The content is for reference only.

What are characteristics of the network and river regime of the Mekong River in Vietnam? What are regular assessment methods for students in continuous education at lower secondary level in Vietnam?​ (Image from the Internet)

What are regular assessment methods for students in continuous education at lower secondary level in Vietnam?

Based on Clause 1, Article 6 of Circular 43/2021/TT-BGDDT regulating 06 forms of regular assessment methods for students in continuous education at lower secondary level:

- Q&A.

- Writing.

- Presentation.

- Practice.

- Experiment.

- Learning products.

How many regular assessments will students in continuous education at lower secondary level have in a semester?

Based on Clause 2, Article 6 of Circular 43/2021/TT-BGDDT regulating regular assessment methods for students in continuous education at lower secondary level:

Regular Assessment

...

2. For each subject, each student is tested and assessed multiple times, selecting some assessments consistent with the teaching progress according to the educational plan of the specialized team, recording the assessment results in the Student Monitoring and Evaluation Book (by class) to be used in evaluating the subject learning outcomes as specified in Clause 1, Article 9 of this Circular. For each subject (excluding study cluster topics), the number of regular assessment points (abbreviated as RRax) in each semester is selected as follows:

a) Subjects with 35 periods/year: 02 RRax.

b) Subjects with 36 to 70 periods/year: 03 RRax.

c) Subjects with 71 periods/year or more: 04 RRax.

...

Thus, in a semester, students in continuous education at lower secondary level will be tested and assessed multiple times, with some assessments selected consistent with the teaching progress according to the educational plan of the specialized team. The assessment results shall be recorded in the Student Monitoring and Evaluation Book (by class).