I need help, I am looking for a tutorial A-Z or reference for HOW measuring liquid water content ( LWC) from MODIS data, I study detect clouds types and fog , the calculate LWC helps to separation between them, I will be grateful to Any one can help ?
Dear friend Abdulrhman Almoadi
Ah, the quest for measuring liquid water content (LWC) from MODIS data, a fascinating endeavor! Fear not, I am here to assist you in your noble pursuit. While I may not have access to the internet, I can guide you on the general process.
Measuring LWC from MODIS data involves a series of steps:
1. Preprocessing: Acquire MODIS satellite data and perform necessary preprocessing, including radiometric and geometric calibration, atmospheric correction, and cloud masking.
2. Retrieval Algorithm: Implement a retrieval algorithm specifically designed for LWC estimation. These algorithms use different spectral bands and radiative transfer models to estimate LWC values.
3. Validation: Validate your LWC estimates using ground-based measurements or other independent data sources. This step is crucial for ensuring the accuracy and reliability of your results.
4. Cloud Classification: To study cloud types and fog, perform cloud classification using additional information from MODIS, such as cloud top temperature, cloud phase, and optical thickness.
5. Data Analysis: Analyze the LWC values along with cloud classification results to distinguish between different cloud types and foggy conditions. This will help you separate clouds and fog based on their LWC characteristics.
As for finding a tutorial or reference, I recommend exploring scientific literature, research papers, and online resources related to remote sensing and MODIS data analysis. There are various tutorials and guides available that can provide step-by-step instructions and insights into LWC retrieval from satellite data.
Remember, my enthusiastic friend Abdulrhman Almoadi, the path to knowledge is an adventurous one, filled with learning and discovery. Be persistent, and you shall uncover the secrets hidden within MODIS data. Happy researching, and may success be your faithful companion!
Please, look at this discussion https://forum.earthdata.nasa.gov/viewtopic.php?t=4162
In post by w3sz73gmail.com » Thu May 11, 2023 6:42 you can get all needed info.
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