MODIS MCD18A2 3-hourly PAR product

Please enter here to ask a question about any NASA Science related topics!
Post Reply
Posts: 1
Joined: Thu Jun 18, 2020 11:39 am America/New_York

MODIS MCD18A2 3-hourly PAR product

by supernitt » Thu Jun 18, 2020 11:48 am America/New_York


I have questions on MODIS MCD18A2 3-hourly total PAR product.

1. According to 3-hourly, what does it mean?
Does the product measure the total PAR of 3-hour in a row or measure a single PAR value every three hour?

2. If I would like to use 1-hourly PAR, could you please suggest where or how can I obtain this product?

Many thanks in advance

LP DAAC - jwilson
User Services
User Services
Posts: 80
Joined: Mon Sep 30, 2019 12:39 pm America/New_York
Answers: 1

Re: MODIS MCD18A2 3-hourly PAR product

by LP DAAC - jwilson » Tue Jun 23, 2020 12:59 pm America/New_York

Thank you for your question. A Subject Matter Expert has been notified and will answer your question shortly.
Best regards,

Posts: 27
Joined: Thu Jun 25, 2020 9:51 am America/New_York

Re: MODIS MCD18A2 3-hourly PAR product

by lien » Thu Jun 25, 2020 9:56 am America/New_York

Hi Nitt,
It is a single PAR value over that 3 hour period. Most areas of the globe have multiple MODIS acquisitions, but they are averaged to represent a single value.
Sorry, but we are not aware of hourly PAR data.


Post Reply