IGNOU BNRI 102 Solved Assignment 2024-25

BNRI 102 Solved Assignment 2024-25

BNRI 102 Solved Assignment 2024-25, FREE BNRI 102 Solved Assignment 2024-25, FREE BNRI 102 Elements of Hydrology Assignment PDF, How to get BNRI 102 Solved Assignment for Free, We are providing IGNOU BNRI 102 Elements of Hydrology Solved Assignment all over India. BNRI 102 Solved Assignment 2024-25: BNRI 102 Solved Assignment 2024-25 FREE BNRI 102 Solved Assignment 2024-25, students can directly done their assignment by simply take reference through our free ignou service. BNRI 102 Free solved assignment available here.

Course Code: BNRI 102

Assignment Code: BNRI 102 ASST/TMA/2024-25

Marks: 100

NOTE: All questions are compulsory

Note: Attempt all the questions and submit this assignment to the Coordinator of yourstudy centre. Last date of submission for July 2023 session is 31st October, 2023 and for January 2024 session is 30th April 2024.

Q1. Describe the entire process of circulation and redistribution of water by the atmosphere and the earth along with a neat sketch.

The process of circulation and redistribution of water by the atmosphere and the Earth is known as the hydrological cycle or water cycle. It involves several stages and processes, including evaporation, condensation, precipitation, runoff, infiltration, and transpiration. Here's a detailed explanation along with a simple sketch:

Evaporation: The cycle begins with the evaporation of water from oceans, lakes, rivers, and other water bodies due to the heat from the sun. Energy from the sun causes water molecules at the surface to turn into water vapor and enter the atmosphere.

Transpiration: Transpiration is the process by which plants absorb water through their roots and release it into the atmosphere through their leaves. This contributes to the moisture content in the air.

Condensation: As water vapor rises in the atmosphere, it cools down at higher altitudes. When the air becomes saturated with moisture, it undergoes condensation, forming clouds. This process is facilitated by condensation nuclei, such as dust particles or aerosols, which provide surfaces for water vapor to condense onto.

Precipitation: Condensed water droplets in clouds continue to grow until they become heavy enough to fall back to the Earth's surface as precipitation. This can occur in various forms, including rain, snow, sleet, or hail, depending on atmospheric conditions.

Runoff: Precipitation that falls onto the Earth's surface may flow over the land as runoff, moving downhill due to gravity. Runoff collects in rivers, streams, and eventually flows into larger bodies of water such as lakes and oceans.

Infiltration: Some of the precipitation seeps into the ground through a process called infiltration. This water percolates through the soil and fills underground aquifers, which store groundwater.

Groundwater Flow: Groundwater slowly moves underground, following the slope of the water table, and may eventually discharge into surface water bodies or be drawn up by plants through their roots.

Surface Evaporation: Water from surface bodies such as lakes, rivers, and oceans may also evaporate directly back into the atmosphere, completing the cycle.

This sketch represents the various stages and processes involved in the hydrological cycle, illustrating how water moves between the atmosphere, land, and water bodies.

Q2. Explain the Rational method of peak runoff estimation. Write its assumptions.

Q3. Define infiltration. Describe the procedure of its measurements. Enlist different factors affecting infiltration.

Q4. Describe the channel types and their characteristics with suitable examples. What is seepage losses? Explain the factors affecting the seepage losses.

Q5. Discuss the advantages of recording type rain gauge over non-recording type rain gauge. Explain the Thiessen polygons method of mean rainfall measurement. Describe their limitations also.

BNRI 102 Handwritten Assignment 2024-25

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Important Note - You may be aware that you need to submit your assignments before you can appear for the Term End Exams. Please remember to keep a copy of your completed assignment, just in case the one you submitted is lost in transit.

Submission Date :

31st March 2023 (if enrolled in the July 2024-25 Session)

30th Sept, 2023 (if enrolled in the January 2024-25 session).

IGNOU Instructions for the BNRI 102 Assignments

BNRI 102 Elements of Hydrology Assignment 2024-25 Before ate mpting the assignment, please read the following instructions carefully.

1. Read the detailed instructions about the assignment given in the Handbook and Programme Guide.

3. Write the course title, assignment number and the name of the study centre you are attached to in the centre of the first page of your response sheet(s).

4. Use only foolscap size paper for your response and tag all the pages carefully

5. Write the relevant question number with each answer.

6. You should write in your own handwriting.

GUIDELINES FOR IGNOU Assignment BNRI 102023-24

BNRI 102 Solved Assignment 2024-25 You will find it useful to keep the following points in mind:

1. Planning: Read the questions carefully. Go through the units on which they are based. Make some points regarding each question and then rearrange these in a STATISTICS IN PSYCHOLOGYal order. And please write the answers in your own words. Do not reproduce passages from the units.

2. Organisation: Be a little more selective and analytic before drawing up a rough outline of your answer. In an essay-type question, give adequate attention to your introduction and conclusion. The introduction must offer your brief interpretation of the question and how you propose to develop it. The conclusion must summarise your response to the question. In the course of your answer, you may like to make references to other texts or critics as this will add some depth to your analysis.

3. Presentation: Once you are satisfied with your answers, you can write down the final version for submission, writing each answer neatly and underlining the points you wish to emphasize.

IGNOU Assignment Front Page

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BNRI 102 Handwritten Assignment 2024-25

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